The air has become more and more polluted because of exhaust fumes from vehicles.
Giải thích: contaminated (adj)= polluetd (adj): bị ô nhiễm
conserved(adj) = preserved(adj): bảo tồn
wasted(adj): lãng phí
Tạm dịch: Không khí trở nên ngày càng ô nhiễm bởi khói thải độc hại từ xe cộ.
Chọn đáp án là : B
Gói VIP thi online tại VietJack (chỉ 400k/1 năm học), luyện tập gần 1 triệu câu hỏi có đáp án chi tiết
People in the mountainous areas are still in the habit of destroying forests for cultivation.
Environmentalists appeal to the government to enact laws to stop factories from discharging toxic chemicals into the sea.
If desired, garnish your plate with parsley, bell pepper rings or other vegetables
When you see your teacher approaching you, a slight wave to attract his attention is appropriate.
The student service centre will try their best to assist students in finding a suitable part-time job.
We can use either verbal or non – verbal forms of communication.
I didn't go to work this morning. I stayed at home due to the morning rain.
After several days underground after the earthquake one child was pulled out alive.