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

A. Rearing

B. Breeding

C. Raising

D. Bringing

Câu 1: The fog made it difficult for the driver to see when the traffic lights _____.

A. adjusted

B. moved

C. changed

D. removed

Câu 2: How much would you ______ for repairing my watch?

A. charge

B. cost

C. spend

D. demand

Câu 3: It isn’t quite ______ that he will be present at the meeting.

A. right

B. exact

C. certain

D. formal

Câu 4: Every day thousands of ______ fly the Atlantic for negotiations with American firms.

A. merchants

B. dealers

C. businessmen

D. tradesmen

Câu 5: If your bicycle ______ comes off, it is almost impossible te put it back on without getting oil on your hands.

A. ring

B. belt

C. steel

D. chain

Câu 6: If you put too many potatoes in that paper-bag it will ______.

A. explode

B. crack

C. burst

D. overcrowd