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

A. brakes

B. controls

C. gears

D. signals

Câu 1: Several prisoners _______ from their guards and escaped.

A. broke away

B. broke out

C. broke through

D. broke down

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

A. right

B. exact

C. certain

D. formal

Câu 3: 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

Câu 4: Bill doesn’t _____ what people say about him.

A. care

B. matter

C. disturb

D. depend

Câu 5: Well-mannered children have usually been properly _____ by their parents.

A. raised up

B. borne up

C. brought up

D. put up

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

A. explode

B. crack

C. burst

D. overcrowd