Câu hỏi: ...................... we would have lost the match.

A. Unless the goal-keeper had played well

B. But for the goal-keeper’s heroics

C. If it were not for the goal-keeper

D. Because the goal-keeper was good

Câu 1: Hamburgers ...................... favorite in America in the early century.

A. became

B. becomes

C. has become

D. was become

Câu 2: If it ............................... his wife’s money, he’d never be a director.

A. was

B. isn’t 

C. had had

D. were not for

Câu 3: If you ................... a pet bird, you’ll have to buy a cage, too.

A. buy

B. will buy

C. bought

D. had bought

Câu 4: Take John's address with you, ................... you have time to see him whenyou’re in London.

A. if

B. unless

C. in case

D. so long as

Câu 5: We’ll have to break the ice on the pond; otherwise the ducks .............. swim.

A. are not able to

B. will not be able to

C. would not be able to

D. would not have been able to

Câu 6: What would you do if war .......................... ?

A. break out

B. will break out

C. were to break out

D. breaks out