Câu hỏi: The result of the studies have had a strong impact on future developments.

A. of

B. have had

C. strong

D. on

Câu 1: Ms. Brown asked me _________ in my class.

A. how many students there were

B. were there how many students

C. how many students were there

D. there were how many students

Câu 2: The novel was such interesting that I read it from the beginning to the end in 4 hours.

A. such

B. read

C. the beginning

D. in

Câu 3: 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 4: After David _________ his homework, he went straight to bed.

A. had finished

B. has finished

C. was finished

D. finished

Câu 5: While Peter ________the rose bush in the back yard, the phone rang.

A. were watering

B. has watered

C. watered

D. was watering

Câu 6: _________, 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