Bài tập Tiếng Anh lớp 8 Unit 9 có đáp án
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335 lượt thi
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42 câu hỏi
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30 phút
Danh sách câu hỏi
Câu 1:
Choose the letter A, B, C or D the word that has the underlined part different from others.
Đáp án D
Giải thích: Đáp án D phát âm là /ei/ các đáp án còn lại phát âm là /æ/
Câu 2:
Choose the letter A, B, C or D the word that has the underlined part different from others.
Đáp án A
Giải thích: Đáp án A phát âm là /ɪ/ các đáp án còn lại phát âm là /ə/
Câu 3:
Choose the letter A, B, C or D the word that has different stress pattern from others.
Đáp án B
Giải thích: Đáp án B trọng âm thứ 2, các đáp án còn lại trọng âm thứ 1
Câu 4:
Choose the letter A, B, C or D the word that has different stress pattern from others.
Đáp án D
Giải thích: Đáp án D trọng âm thứ 2, các đáp án còn lại trọng âm thứ 1
Câu 5:
Choose the letter A, B, C or D to complete the sentences
Tsunami is one of __________ natural disasters.
Đáp án D
Giải thích: cấu trúc one of the + so sánh nhất + Ns: một trong những…
Dịch: Sóng thần là một trong những thảm hoạ thiên nhiên kinh khủng nhất.
Câu 6:
Choose the letter A, B, C or D to complete the sentences
Last night’s storm caused a lot of __________ to people in that area.
Đáp án C
Giải thích: cause damages to: gây thiệt hại cho
Dịch: Trận bão đêm qua gây ra rất nhiều thiệt hại cho con người sống ở khu vực đó.
Câu 7:
Choose the letter A, B, C or D to complete the sentences
Vietnam has just overcome a devastating forest __________ in Ha Tinh.
Đáp án A
Giải thích: forest fire: cháy rừng
Dịch: Việt Nam vừa trải qua một trận cháy rừng có sức tàn phá lớn ở Hà Tĩnh.
Câu 8:
Choose the letter A, B, C or D to complete the sentences
Japan suffers from a large number of __________ every year.
Đáp án D
Giải thích: earthquake: trận động đất
Dịch: Nước Nhật phải gánh chịu rất nhiều trận động đất mỗi năm.
Câu 9:
Choose the letter A, B, C or D to complete the sentences
The fire was raging so fiercely that the rescue workers found it hard to put it __________.
Đáp án B
Giải thích: Các cấu trúc:
put st out: dập tắt (đám cháy)
Cấu trúc: “be + so + adj + that + S V”: quá…đến nỗi mà…
Find st adj: cảm thấy cái gì như thế nào
Dịch: Ngọn lửa cháy quá dữ dội đến nỗi mà lính cứu hộ cảm thấy khó có thể dập tắt nó được.
Câu 10:
Choose the letter A, B, C or D to complete the sentences
There have been some __________ eruptions in this area for the last 10 years.
Đáp án A
Giải thích: cụm từ “volcanic eruptions”: núi lửa phun trào
Dịch: Có vài trận phun trào núi lửa ở khu vực này trong vòng 10 năm trở lại đây.
Câu 11:
Choose the letter A, B, C or D to complete the sentences
They are trying __________ residents from the flooded area.
Đáp án D
Giải thích: try to v: cố gắng làm gì
Dịch: Họ đang cố sơ tán cư dân khỏi vùng bị lũ.
Câu 12:
Choose the letter A, B, C or D to complete the sentences
Have you ever heard __________ mudslide in mountainous area?
Đáp án C
Giải thích: hear about st: nghe về chuyện gì
Dịch: Bạn đã từng nghe về lũ bùn ở vùng núi chưa?
Câu 13:
Read the passage below and decide whether the statements are TRUE or FALSE?
TORNADOES
Did you ever see the movie The Wizard of Oz? A tornado sweeps up Dorothy and Toto, sending them to a new world where there are witches and talking lions! That entire story is fiction, but tornadoes are real and they are serious business. In fact, they can be the most dangerous storms of all.
Tornadoes are sometimes referred to as twisters or cyclones. They are shaped like a cylinder. They are born in thunderclouds. The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph). The winds are so strong that tornadoes can lift animals, cars and even houses.
The United States has more tornadoes than any other country in the world. State such as Texas, Oklahoma, Kansas, and Nebraska are hit hard by tornadoes. This part of the country is known as “Tornado Alley”. Tornado season is during the springtime and summer. If the conditions are right, a tornado can happen any time of year.
Question: Tornadoes are sometimes referred to as twisters or cyclones.
Đáp án A
Giải thích: Dựa vào câu: “Tornadoes are sometimes referred to as twisters or cyclones.”.
Dịch: Lốc xoáy thỉnh thoảng còn được gọi là cơn lốc hay trận gió xoáy.
Câu 14:
Read the passage below and decide whether the statements are TRUE or FALSE?
TORNADOES
Did you ever see the movie The Wizard of Oz? A tornado sweeps up Dorothy and Toto, sending them to a new world where there are witches and talking lions! That entire story is fiction, but tornadoes are real and they are serious business. In fact, they can be the most dangerous storms of all.
Tornadoes are sometimes referred to as twisters or cyclones. They are shaped like a cylinder. They are born in thunderclouds. The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph). The winds are so strong that tornadoes can lift animals, cars and even houses.
The United States has more tornadoes than any other country in the world. State such as Texas, Oklahoma, Kansas, and Nebraska are hit hard by tornadoes. This part of the country is known as “Tornado Alley”. Tornado season is during the springtime and summer. If the conditions are right, a tornado can happen any time of year.
Question: They are formed in thunderclouds.
Đáp án A
Giải thích: Dựa vào câu: “They are born in thunderclouds”.
Dịch: Chúng được hình thành từ mây đen có sấm sét.
Câu 15:
Read the passage below and decide whether the statements are TRUE or FALSE?
TORNADOES
Did you ever see the movie The Wizard of Oz? A tornado sweeps up Dorothy and Toto, sending them to a new world where there are witches and talking lions! That entire story is fiction, but tornadoes are real and they are serious business. In fact, they can be the most dangerous storms of all.
Tornadoes are sometimes referred to as twisters or cyclones. They are shaped like a cylinder. They are born in thunderclouds. The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph). The winds are so strong that tornadoes can lift animals, cars and even houses.
The United States has more tornadoes than any other country in the world. State such as Texas, Oklahoma, Kansas, and Nebraska are hit hard by tornadoes. This part of the country is known as “Tornado Alley”. Tornado season is during the springtime and summer. If the conditions are right, a tornado can happen any time of year.
Question: The winds inside a tornado can be more than 500 miles per hour (mph).
Đáp án B
Giải thích: Dựa vào câu: “The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph).”.
Dịch: Gió trong một trận lốc xoáy xoay vòng và có thể lên đến hơn 300 dặm trên giờ.
Câu 16:
Read the passage below and decide whether the statements are TRUE or FALSE?
TORNADOES
Did you ever see the movie The Wizard of Oz? A tornado sweeps up Dorothy and Toto, sending them to a new world where there are witches and talking lions! That entire story is fiction, but tornadoes are real and they are serious business. In fact, they can be the most dangerous storms of all.
Tornadoes are sometimes referred to as twisters or cyclones. They are shaped like a cylinder. They are born in thunderclouds. The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph). The winds are so strong that tornadoes can lift animals, cars and even houses.
The United States has more tornadoes than any other country in the world. State such as Texas, Oklahoma, Kansas, and Nebraska are hit hard by tornadoes. This part of the country is known as “Tornado Alley”. Tornado season is during the springtime and summer. If the conditions are right, a tornado can happen any time of year.
Question: The winds are not strong enough for tornadoes to lift animals, cars and even horses.
Đáp án B
Giải thích: Dựa vào câu: “The winds are so strong that tornadoes can lift animals, cars and even houses.”.
Dịch: Trận gió đủ mạnh để cuốn lên động vật, xe cộ và thậm chí cả những ngôi nhà.
Câu 17:
Read the passage below and decide whether the statements are TRUE or FALSE?
TORNADOES
Did you ever see the movie The Wizard of Oz? A tornado sweeps up Dorothy and Toto, sending them to a new world where there are witches and talking lions! That entire story is fiction, but tornadoes are real and they are serious business. In fact, they can be the most dangerous storms of all.
Tornadoes are sometimes referred to as twisters or cyclones. They are shaped like a cylinder. They are born in thunderclouds. The winds inside a tornado swirl around and around and can be more than 300 miles per hour (mph). The winds are so strong that tornadoes can lift animals, cars and even houses.
The United States has more tornadoes than any other country in the world. State such as Texas, Oklahoma, Kansas, and Nebraska are hit hard by tornadoes. This part of the country is known as “Tornado Alley”. Tornado season is during the springtime and summer. If the conditions are right, a tornado can happen any time of year.
Question: Tornado season is during the springtime and summer.
Đáp án A
Giải thích: Dựa vào câu: “Tornado season is during the springtime and summer.”.
Dịch: Mùa gió xoáy là vào mùa xuân và hè.
Câu 18:
Choose the letter A, B, C or D to complete the passage below
A tsunami is a chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has a very long wave. It can be hundreds of kilometers (6) __________. Usually, tsunami starts suddenly. The waves travel (7) __________ a great speed across an ocean with little energy loss. They can remove sand from beaches, destroy trees, toss and drag vehicles, damage houses and even destroy whole towns.
The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (8) __________ for hundreds of metres. People who do not know of the danger will often remain at the shore.
Tsunamis cannot (9) __________. However, there are ways to help stop people from dying from a tsunami. Some (10) __________with lots of tsunamis may use warning systems which may warn the population before the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the shore, people can be warned to go somewhere safe.
Question 6:
Đáp án A
Giải thích: độ dài + long: dài bao nhiêu
Dịch: Một trận sóng thần có một làn sóng dài. Nó có thể dài hàng nghìn kilomet.
Câu 19:
Choose the letter A, B, C or D to complete the passage below
A tsunami is a chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has a very long wave. It can be hundreds of kilometers (6) __________. Usually, tsunami starts suddenly. The waves travel (7) __________ a great speed across an ocean with little energy loss. They can remove sand from beaches, destroy trees, toss and drag vehicles, damage houses and even destroy whole towns.
The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (8) __________ for hundreds of metres. People who do not know of the danger will often remain at the shore.
Tsunamis cannot (9) __________. However, there are ways to help stop people from dying from a tsunami. Some (10) __________with lots of tsunamis may use warning systems which may warn the population before the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the shore, people can be warned to go somewhere safe.
Question 7:
Đáp án C
Giải thích: at + tốc độ: vào tốc độ bao nhiêu
Dịch: Nó có thể di chuyển với tốc độ lớn qua vùng đại dương mà không tiêu hao nhiều năng lượng.
Câu 20:
Choose the letter A, B, C or D to complete the passage below
A tsunami is a chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has a very long wave. It can be hundreds of kilometers (6) __________. Usually, tsunami starts suddenly. The waves travel (7) __________ a great speed across an ocean with little energy loss. They can remove sand from beaches, destroy trees, toss and drag vehicles, damage houses and even destroy whole towns.
The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (8) __________ for hundreds of metres. People who do not know of the danger will often remain at the shore.
Tsunamis cannot (9) __________. However, there are ways to help stop people from dying from a tsunami. Some (10) __________with lots of tsunamis may use warning systems which may warn the population before the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the shore, people can be warned to go somewhere safe.
Question 8:
Đáp án A
Giải thích: rise: dâng lên
Dịch: Nếu độ dốc của bờ không quá lớn, mực nước có thể đang lên hàng trăm mét.
Câu 21:
Choose the letter A, B, C or D to complete the passage below
A tsunami is a chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has a very long wave. It can be hundreds of kilometers (6) __________. Usually, tsunami starts suddenly. The waves travel (7) __________ a great speed across an ocean with little energy loss. They can remove sand from beaches, destroy trees, toss and drag vehicles, damage houses and even destroy whole towns.
The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (8) __________ for hundreds of metres. People who do not know of the danger will often remain at the shore.
Tsunamis cannot (9) __________. However, there are ways to help stop people from dying from a tsunami. Some (10) __________with lots of tsunamis may use warning systems which may warn the population before the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the shore, people can be warned to go somewhere safe.
Question 9:
Đáp án D
Giải thích: câu bị động với động từ khuyết thiếu: “can + be + p2”
Dịch: Sóng thần thì không thể tránh khỏi.
Câu 22:
Choose the letter A, B, C or D to complete the passage below
A tsunami is a chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has a very long wave. It can be hundreds of kilometers (6) __________. Usually, tsunami starts suddenly. The waves travel (7) __________ a great speed across an ocean with little energy loss. They can remove sand from beaches, destroy trees, toss and drag vehicles, damage houses and even destroy whole towns.
The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (8) __________ for hundreds of metres. People who do not know of the danger will often remain at the shore.
Tsunamis cannot (9) __________. However, there are ways to help stop people from dying from a tsunami. Some (10) __________with lots of tsunamis may use warning systems which may warn the population before the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the shore, people can be warned to go somewhere safe.
Question 10:
Đáp án A
Giải thích: area: khu vực
Dịch: Một số khu vực có nhiều sóng thần có thể có hệ thống cảnh báo giúp cho việc dự báo sóng thần trước khi nó tiếp cận đất liền và kịp thời di tản.
Câu 23:
Choose the letter A, B, C or D to answer these following questions
An earthquake measuring 7.8 on the Richter scale hit Nepal on April 25th, 2015. It was the most powerful earthquake to strike Nepal since 1934. The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China. The earthquake killed more than 8,800 people and injured over 23, 000 people. Hundreds of thousands of people were made homeless with entire villages flattened. Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed. The earthquake also caused an avalanche on Mount Everest which killed at least 19 people. About 90% of soldiers from Nepalese Army were sent to stricken areas. Many countries and international organizations sent medical experts, emergency workers, rescue staff, and money as well as providing medical supplies, food and equipment to help Nepal.
Question: What hit Nepal on April 25th, 2015?
Đáp án C
Giải thích: Dựa vào câu: “An earthquake measuring 7.8 on the Richter scale hit Nepal at on April 25th, 2015.”.
Dịch: Một trận động đất 7.8 độ Rich-che đã tấn công Nepal và ngày 25 tháng 4 năm 2015.
Câu 24:
Choose the letter A, B, C or D to answer these following questions
An earthquake measuring 7.8 on the Richter scale hit Nepal on April 25th, 2015. It was the most powerful earthquake to strike Nepal since 1934. The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China. The earthquake killed more than 8,800 people and injured over 23, 000 people. Hundreds of thousands of people were made homeless with entire villages flattened. Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed. The earthquake also caused an avalanche on Mount Everest which killed at least 19 people. About 90% of soldiers from Nepalese Army were sent to stricken areas. Many countries and international organizations sent medical experts, emergency workers, rescue staff, and money as well as providing medical supplies, food and equipment to help Nepal.
Question: How many countries are affected by the earthquake?
Đáp án C
Giải thích: Dựa vào câu: “The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China.”.
Dịch: Trận động đất xảy ra chủ yếu ở Nepal. Nhưng nó cũng ảnh hưởng đến Ấn Độ, Băng-la-đét và Tây Tạng, Trung Quốc.
Câu 25:
Choose the letter A, B, C or D to answer these following questions
An earthquake measuring 7.8 on the Richter scale hit Nepal on April 25th, 2015. It was the most powerful earthquake to strike Nepal since 1934. The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China. The earthquake killed more than 8,800 people and injured over 23, 000 people. Hundreds of thousands of people were made homeless with entire villages flattened. Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed. The earthquake also caused an avalanche on Mount Everest which killed at least 19 people. About 90% of soldiers from Nepalese Army were sent to stricken areas. Many countries and international organizations sent medical experts, emergency workers, rescue staff, and money as well as providing medical supplies, food and equipment to help Nepal.
Question: What is the number of people injured?
Đáp án B
Giải thích: Dựa vào câu: “The earthquake killed more than 8,800 people and injured over 23,000 people.”.
Dịch: Trận động đất làm thiệt mạng 8,800 người và làm bị thương 23,000 người.
Câu 26:
Choose the letter A, B, C or D to answer these following questions
An earthquake measuring 7.8 on the Richter scale hit Nepal on April 25th, 2015. It was the most powerful earthquake to strike Nepal since 1934. The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China. The earthquake killed more than 8,800 people and injured over 23, 000 people. Hundreds of thousands of people were made homeless with entire villages flattened. Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed. The earthquake also caused an avalanche on Mount Everest which killed at least 19 people. About 90% of soldiers from Nepalese Army were sent to stricken areas. Many countries and international organizations sent medical experts, emergency workers, rescue staff, and money as well as providing medical supplies, food and equipment to help Nepal.
Question: What happened to Kathmandu Burbar Square?
Đáp án B
Giải thích: Dựa vào câu: “Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed.”.
Dịch: Quảng trường Kathmandu Burbar, một di sản thế giới được UNESCO công nhận, đã bị phá huỷ.
Câu 27:
Choose the letter A, B, C or D to answer these following questions
An earthquake measuring 7.8 on the Richter scale hit Nepal on April 25th, 2015. It was the most powerful earthquake to strike Nepal since 1934. The earthquake occurred in central Nepal. It also affected India, Bangladesh and Tibet, China. The earthquake killed more than 8,800 people and injured over 23, 000 people. Hundreds of thousands of people were made homeless with entire villages flattened. Kathmandu Burbar Square, a UNESCO World Heritage Site, was destroyed. The earthquake also caused an avalanche on Mount Everest which killed at least 19 people. About 90% of soldiers from Nepalese Army were sent to stricken areas. Many countries and international organizations sent medical experts, emergency workers, rescue staff, and money as well as providing medical supplies, food and equipment to help Nepal.
Question: Were Nepalese army sent to the stricken area?
Đáp án A
Giải thích: Dựa vào câu: “About 90% of soldiers from Nepalese Army were sent to stricken areas.”.
Dịch: Khoảng 90% quân nhân từ quân đội Nepal được cử đến nơi bị ảnh hưởng bởi động đất.
Câu 28:
Choose the letter A, B, C or D to complete the sentences with given words
I/ couldn’t/ see/ more/ a few/ feet/ front/ me/ because/ the/ snow.
Đáp án D
Giải thích: because of + N: bởi vì
Dịch: Tôi không thể nhìn nhiều hơn vài feet vì trời tuyết.
Câu 29:
Choose the letter A, B, C or D to complete the sentences with given words
A lot of/ people/ be/ injured/ the/ earthquake.
Đáp án A
Giải thích: in the earthquake: trong trận động đất
Dịch: Rất nhiều người bị thương trong trận động đất.
Câu 30:
Choose the letter A, B, C or D to complete the sentences with given words
If/ there/ be/ fire/ in/ your house, call/ 114.
Đáp án D
Giải thích: câu điều kiện loại 0: “if + S + V(s/es), S + V(s/es)
Dịch: Nếu có cháy ở nhà bạn, hãy gọi 114.
Câu 31:
Choose the letter A, B, C or D to complete the sentences with given words
The/ volcanic eruption/ be/ so destructive/ that/ many lives/ be threatened.
Đáp án A
Giải thích: cấu trúc với so: “be + so + adj + that + S V”: quá…đến nỗi mà…
Dịch: Trận núi lửa phun trào quá mang tính huỷ diệt đến nỗi mà nhiều sinh mạng bị đe doạ.
Câu 32:
Choose the letter A, B, C or D to complete the sentences with given words
What/ you/ do/ if/ there/ tornado/ in/ your area?
Đáp án C
Giải thích: trong câu điều kiện loại 2, tobe luôn được chia là “were”
Dịch: Bạn sẽ làm gì nếu có 1 trận lốc xoáy ở khu của bạn?
Câu 33:
Rearrange the sentences to make meaningful sentences
We/ should/ people/ try/ time/ to/ evacuate/ predict/ to/ in/ earthquake.
Đáp án A
Giải thích: cấu trúc “try to V”: cố gắng làm gì
In time: kịp thời.
Dịch: Chúng ta nên cố gắng dự báo động đất để sơ tán mọi người kịp thời
Câu 34:
Rearrange the sentences to make meaningful sentences
How/ lives/ people/ in/ their/ many/ the/ lost/ flood?
Đáp án D
Giải thích: cụm từ “lose one’s life”: thiệt mạng
Dịch: Có bao nhiêu người thiệt mạng trong trận lũ?
Câu 35:
Rearrange the sentences to make meaningful sentences
What/ to/ should/ help/ we/ homeless/ do/ people?
Đáp án B
Giải thích: to V chỉ mục đích
Dịch: Chúng ta nên làm gì để giúp người vô gia cư?
Câu 36:
Rearrange the sentences to make meaningful sentences
Have/ rescue/ the/ been/ stricken/ workers/ to/ area/ sent?
Đáp án C
Giải thích: câu bị động thời hiện tại hoàn thành “have/ has been P2”
Dịch: Lính cứu hộ đã được cử đến khu vực bị tàn phá chưa?
Câu 37:
Rearrange the sentences to make meaningful sentences
We/ to/ called/ take/ ambulance/ to/ the/ the/ injured/ hospital/ the.
Đáp án A
Giải thích: to V chỉ mục đích
Dịch: Chúng tôi gọi xe cứu thương để đưa người bị thương đến bệnh viện
Câu 38:
Rewrite sentences without changing the meaning
Because the storm is getting bad, you shouldn’t go out.
Đáp án A
Giải thích: so + mệnh đề”: nên, vì thế
Dịch: Trận báo đang lớn dần, vì thế bạn đừng ra ngoài.
Câu 39:
Rewrite sentences without changing the meaning
The weather forecast is sometimes unreliable.
Đáp án C
Giải thích: count on: tin tưởng vào
Unreliable: không đáng tin cậy
Dịch: Thỉnh thoảng thì dự báo thời tiết chẳng đáng tin.
Câu 40:
Rewrite sentences without changing the meaning
Many countries are not able to deal with natural disasters.
Đáp án A
Giải thích: cấu trúc “be able to V”: có khả năng làm gì
Dịch: Nhiều quốc gia không có khả năng chống lại thảm hoạ thiên nhiên.
Câu 41:
Rewrite sentences without changing the meaning
We are raising money to help people in the flooded area.
Đáp án A
Giải thích: mệnh đề chỉ mục đích: “so that”: để mà…
Dịch: Chúng tôi đang quyền góp tiền để giúp đồng bào vùng lũ.
Câu 42:
Rewrite sentences without changing the meaning
If that man hadn’t burnt rubbish in the forest, there would not have been a forest fire.
Đáp án A
Giải thích: because + mệnh đề: bởi vì
Dịch: Có cháy rừng vì người đàn ông này đốt rác ở khu rừng.