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

A. who

B. which

C. whose

D. whom

Câu 1: It was a lovely day yesterday. I wish I……..at the seaside then.

A. would be 

B. were

C. had been

D. have been 

Câu 2: ……….., 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 3: "When will you see John?" - "I am looking forward to…………him next summer." 

A. seeing

B. seen

C. being seen

D. see

Câu 4: The gang admitted they had committed four recent bank robberies. 

A. confided

B. conferred

C. confessed

D. confused

Câu 5: The policemen………the robbery are looking for three young men.

A. investigate

B. investigating

C. investigated

D. investigates

Câu 6: While attempting to reach his home before the storm, …………….

A. John's bike broke down

B. an accident happened to John

C. his bike broke down

D. John had a serious accident