Câu hỏi: We didn’t go on holiday last year because we didn’t have enough money.

A. If we hadn’t had enough money, we wouldn’t have gone on holiday last year.

B. If we had had enough money, we would have gone on holiday last year. 

C. If we hadn’t had enough money, we would have gone on holiday last year. 

D. Unless we had enough money, we would go on holiday last year

Câu 1: The police had to let her _________ because of insufficient evidence. 

A. go

B. to go 

C. going 

D. gone

Câu 2: Garlic is a plant that grows            there is a warm climate.

A. wherever 

B. how

C. which

D. what

Câu 3: Constantly staying in cold weather may bring           pneumonia

A. in

B. off

C. up

D. on

Câu 4: People have discovered a new source of energy. 

A. A new source of energy have been discovered by people.

B. A new source of energy has discovered.

C. A new source of energy has been discovered.

D. A new source of energy have been discovered. 

Câu 5: By next year, we             here for ten years? 

A. lived

B. have lived

C. will live

D. will have lived

Câu 6: People protesting against pollution are marching to London. 

A. People who protest against pollution are marching to London. 

B. People who protests against pollution are marching to London.

C. People who protesting against pollution are marching to London.

D. People protect pollution are marching to London.