Câu hỏi: ……….., 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 1: I hear that your examinations are next week. You…….very hard at the moment. 

A. study

B. are being studied 

C. must study

D. must be studying

Câu 2: The students were all………….by the lion's roar. 

A. frighented

B. destroyed

C. bitten

D. collapsed

Câu 3: It's getting cold. You'd better not…….without a coat.

A. go out 

B. to go out

C. going out 

D. gone out

Câu 4: The policemen………the robbery are looking for three young men.

A. investigate

B. investigating

C. investigated

D. investigates

Câu 5: He became…….because the company which he worked for decided to close down. 

A. reluctant

B. relieved

C. recycled

D. redundant

Câu 6: I think your suggestion is probably the best one……the long run.

A. at 

B. over

C. in

D. for