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

A. go

B. to go 

C. going 

D. gone

Câu 1: We must take steps to preserve natural resources; otherwise the planet will be in danger. 

A. Unless we take steps to preserve natural resources, the planet will be in danger. 

B. Unless we take steps to preserve natural resources,the planet will not be in danger.

C. If we take steps to preserve natural resources, the planet would be in danger.

D. If we take steps to preserve natural resources,the planet will be in danger. 

Câu 2: 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 3: It is no use           to him - He neverlistens. 

A. talk

B. to talk

C. talking 

D. talked 

Câu 4: When we were children we          skating. 

A. had gone

B. were going 

C. go 

D. used to go

Câu 5: 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.

Câu 6: He asked, “Why didn’t she take the final exam?”

A. He asked why she hadn’t taken the final exam. 

B. He asked why she took the final exam. 

C. He asked why didn’t she take the final exam. 

D. He asked why hadn’t she taken the final exam.