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

A. whom

B. who

C. whose

D. that

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: I think your suggestion is probably the best one……the long run.

A. at 

B. over

C. in

D. for

Câu 3: The gang admitted they had committed four recent bank robberies. 

A. confided

B. conferred

C. confessed

D. confused

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

A. whose

B. which

C. what

D. whom

Câu 5: Nothing will prevent him……..succeeding. 

A. in

B. at

C. from

D. on

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

A. on

B. about

C. in

D. of