Câu hỏi: 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 1: The car was so expensive that I didn’t buy it

A. The car was not so cheap that I couldn’t buy it. 

B. The car was such expensive that I didn’t buy it. 

C. The car was cheap enough for me to buy

D. The car was too expensive for me to buy

Câu 2: I have two history books, but ____are about American history

A. none of them

B. all of them

C. neither of them

D. most of them 

Câu 3: When we were children we          skating. 

A. had gone

B. were going 

C. go 

D. used to go

Câu 4: By next year, we             here for ten years? 

A. lived

B. have lived

C. will live

D. will have lived

Câu 5: The police had to let her _________ because of insufficient evidence. 

A. go

B. to go 

C. going 

D. gone

Câu 6: 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.