Câu hỏi: I…………..recently. 

A. can't have slept

B. won't have slept

C. didn't sleep

D. haven't been able to sleep

Câu 1: The chief of police………work is very important takes care of the public safety. 

A. who

B. which

C. whose

D. whom

Câu 2: Jack has three brothers, all of ………..are married. 

A. whom

B. who

C. whose

D. that

Câu 3: ……….., he would have been able to pass the exam. 

A. If he studied hard

B. If studying hard

C. If he were studying hard

D. Had he studied hard

Câu 4: The man………..we met on the train was the headmaster

A. whose

B. which

C. what

D. whom

Câu 5: The principal doesn't permit………here. 

A. to shout

B. shout

C. shouting

D. shouted

Câu 6: The teacher suspected the student…….cheating in examination

A. on

B. about

C. in

D. of