Giúp nhanh với ạ V. Choose the correct answer to complete each sentence. Question 12. Water pollution can put negative __________ on our health. A. contamination B. affects C. effects D. problems Question 13. A: How can light pollution __________ animals? B: It can make animals change their behavior patterns. A. cause B. make C. affect D. lead Question 14. The dove is a universal __________ of peace. A. symbolizing B. symbolize C. symbolic D. symbol Question 15. The city has an atmosphere which is quite __________. You will never feel like that in other places. A. important B. normal C. unique D. common Question 16. __________ about the storm that stroke Hanoi last night? A. Did you hear B. Do you heard C. Have you hear D. Did you heard Question 17. Many people __________ because of the earthquake last week. A. did injure B. injured C. have injured D. were injured Question 18. When I looked at the river, I knew it __________ for a long time. A. had contaminated B. had been contaminated C. was contaminated D. contaminated Question 19. All flights to Ha Noi had to be cancelled __________ the storm. A. as a result B. due to C. because D. so Question 20. When we were young, we __________ in the river near our home. A. used to swim B. have swum C. had swum D. were swimming

Question 12. Water pollution can put negative __________ on our health.
A. contamination B. affects C. effects D. problems
Question 13. A: How can light pollution __________ animals?
 B: It can make animals change their behavior patterns.
A. cause B. make C. affect D. lead
Question 14. The dove is a universal __________ of peace.
A. symbolizing B. symbolize C. symbolic D. symbol

Question 15. The city has an atmosphere which is quite __________. You will never feel like that in other places.
A. important B. normal C. unique D. common
Question 16. __________ about the storm that stroke Hanoi last night?
A. Did you hear B. Do you heard C. Have you hear D. Did you heard
Question 17. Many people __________ because of the earthquake last week.
A. did injure B. injured C. have injured D. were injured
Question 18. When I looked at the river, I knew it __________ for a long time.
A. had contaminated B. had been contaminated
C. was contaminated D. contaminated
Question 19. All flights to Ha Noi had to be cancelled __________ the storm.
A. as a result B. due to C. because D. so
Question 20. When we were young, we __________ in the river near our home.
A. used to swim B. have swum C. had swum D. were swimming

12. C

*Dịch :Các hiệu ứng
13.C

*Dịch :ảnh hưởng đến
14.D

Ta cần 1 DT

*Dịch:

Biểu tượng

15.C

*Dịch :độc nhất
16.A

Câu hỏi thì quá khứ đơn

*Có từ last night

17.B

Câu bị động thì quá khứ đơn

*Có từ last week

Cấu trúc :

S+were/was+Ved/PII+...
18.B

Câu bị động thì hoàn thành :

S+have/has+been+Ved/PII+...
19. B

Thì quá khứ hoàn thành

*Có từ had
20.A

used to + V nguyên thể

*Phù hợp nghĩa của cả câu

$#lam$