Câu hỏi: People say that Cameron was the best director of his time.

A. Cameron is said to be best director of his time.

B. Cameron was said to have been the best director of his time.

C. It was said that Cameron was the best director of his time. 

D. Cameron is said to have been the best director of his time.

Câu 1: _________, we would have been forced to sack him.

A. Were he not to resign

B. If he resigned

C. Had he not resigned

D. If he had resigned

Câu 2: Some snakes have hollow teeth they are called fans that they use to poison their victims.

A. Some 

B. they are called

C. use

D. their

Câu 3: I’d rather _________ to the party with my parents because there was nothing interesting there.

A. hadn’t been invited

B. not have been invited

C. haven’t been invited

D. not be invited

Câu 4: George is not enough intelligent to pass this economics class without help.

A. enough intelligent

B. to pass

C. economics

D. help

Câu 5: After David _________ his homework, he went straight to bed.

A. had finished

B. has finished

C. was finished

D. finished

Câu 6: If you ________a wallet in the street, what would you do with it?

A. found

B. have found

C. find

D. had found