Câu hỏi: ______ up children properly is mainly their parents’ duty.

A. Rearing

B. Breeding

C. Raising

D. Bringing

Câu 1: If you ever have the ______ to go abroad to work, you should take it.

A. possibility

B. offer

C. chance

D. event

Câu 2: It isn’t quite ______ that he will be present at the meeting.

A. right

B. exact

C. certain

D. formal

Câu 3: If you put too many potatoes in that paper-bag it will ______.

A. explode

B. crack

C. burst

D. overcrowd

Câu 4: The bus ran over the cliff because its _______ failed.

A. brakes

B. controls

C. gears

D. signals

Câu 5: The flat we have rented is very _______ for the underground station.

A. convenient

B. suitable

C. comfortable

D. distant

Câu 6: As there was a power cut in the hospital, the surgeon had to _____ the operation.

A. call for

B. call on

C. call off

D. call out