Câu hỏi: 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 1: Peasants spend most of their time on the ground, ...................... many speciesstay in trees at night.

A. if

B. though

C. because

D. as well as

Câu 2: Applicants ................ send in their CVs.

A. asked

B. ask to 

C. are asked to

D. asked to

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: 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 5: Send my regards to Lawrence ............................ you see him.

A. if

B. in case

C. whether

D. provided

Câu 6: Exactly .............. we can replace our soil disappearing through erosion is not known.

A. what

B. how

C. if

D. because