Thứ sáu, 22/11/2024
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Câu hỏi:

22/07/2024 255

The light had gone out before we got out of the office.

=> When.................................................................................................………………………………

 Xem lời giải

Trả lời:

verified Giải bởi Vietjack

Kiến thức: Thì quá khứ hoàn thành

Giải thích:

Thì quá khứ hoàn thành dùng để diễn tả một hành động diễn ra trước một thời điểm hoặc một hành động khác trong quá khứ.

Công thức: S1 + had + PII + before + S2 + Ved/ V2

= When + S2 + Ved/ V2, S1 + had + PII

Tạm dịch: Đèn đã tắt trước khi chúng tôi ra khỏi văn phòng.

= Khi chúng tôi rời khỏi văn phòng, đèn đã tắt rồi.

Đáp án: When we got out of the office, the light had gone out.

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

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Read the passage and choose the best option (A, B, C or D) to complete each gap.

In the home a dad is very important. He is the person who provides us with money to feed and clothes ourselves. He can decorate your bedroom, mend your radio, make cages for your pets, repair a puncture in your bicycle tyre and help you with maths homework. A dad can be very useful for (15) ______ you in the car to and from parties, music and dancing lessons. A dad is the person whom you ask for pocket money. He is the one who (16) ______ about the time you spend talking on the phone, as he has to pay for the bills. Dad is someone who will support you in a(n) (17) ______ , if he believes you to be right. He is someone who reads your school (18) ______ and treats if it is good. A dad likes to come into a nice happy home evening, and settle back in his chair with a newspaper.

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Câu 2:

Green technology uses _________ resources that are never depleted. It also creates eco-friendly products.

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Câu 3:

Some chemicals can be used for cleaning surfaces _________ they affect the air quality and cause health problems.

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Câu 4:

We reuse bags, old clothes and scrap paper at home. We can reduce waste. (so that)

=> ...…………………………………………………………………………………………………………

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Câu 5:

We should use renewable resources _________ they are never depleted.

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Câu 6:

Read the passage and choose the best answer (A, B, C or D) to complete each question.

Humans have struggled against weeds since the beginning of agriculture. The global need for weed control has been answered mainly by the chemical industry. Its herbicides are effective and sometimes necessary, but some pose serious problems, particularly if misused. Toxic compounds threaten animals and public health when they are present in food plant, ground water, and drinking water. They also harm workers who apply them.

In recent years the chemical industry has introduced several herbicides that are more ecologically sound. Yet new chemicals alone cannot solve the world’s weed problems. Therefore, scientists are exploring the innate weed-killing powers of living organisms, primarily insects and microorganisms.

The biological agents now in use are harmless to humans, environmentally friendly, and offer the benefit of specificity. They can be chosen for their ability to attack selected targets and leave crops and other plants untouched. In contrast, some of the most effective chemicals kill almost all the plants they come in contact with, sparing only those that are naturally resistant to those that have been genetically modified for resistance. Furthermore, a number of biological agents can be administered only once, after that no added applications are needed. Chemicals, typically, must be used several times per growing season.

What is the passage primarily about?

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Câu 7:

We should not waste paper. We should not cut down any trees either. (neither …. nor) =>……………………….……………………………………………………………………………………

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Câu 8:

green technology/ use renewable resources/ create/ eco-friendly/ products. (which)

=> ……………………………………………………………………………………………........................

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Câu 9:

He is the one who (16) ______ about the time you spend talking on the phone, as he has to pay for the bills.

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Câu 10:

The lung cancer mortality rate _________ six-fold in males when mass media _________ covering the health risks of smoking.

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Câu 11:

She has a remarkable ability to _________ with a wide variety of people.

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Câu 12:

Everyone in his house can now read the news on their _________ devices.

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Câu 13:

Mould and mildew can cause health problems. We need to remove any growth regularly. (compound sentences)

=> ...…………………………………………………………………………………………………………

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Câu 14:

These days, more and more people are buying _________________.

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Câu 15:

city buses/ taxis/ use/ noise reduction devices/ run/ environmentally friendly/ fuels. (and)

=> ……………………………………………………………………………………………........................

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