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

A. in

B. at

C. from

D. on

Câu 1: He devotes most of his time……photography. 

A. for studying 

B. to studying of

C. to studying

D. to study

Câu 2: "Did Amy's parents leave her any money?" - "No, she has to support……..now."

A. her

B. herself

C. all alone

D. on her own

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 policemen………the robbery are looking for three young men.

A. investigate

B. investigating

C. investigated

D. investigates

Câu 5: The chief of police………work is very important takes care of the public safety. 

A. who

B. which

C. whose

D. whom

Câu 6: Jack has three brothers, all of ………..are married. 

A. whom

B. who

C. whose

D. that