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

A. broke away

B. broke out

C. broke through

D. broke down

Câu 2:  The ______ of the bank where he worked was not in the centre of the city.

A. seat

B. quarter

C. branch

D. piece

Câu 3: The country has a system of ______, most of which date from the nineteenth century.

A. channels

B. rivers

C. streams

D. canals

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

A. care

B. matter

C. disturb

D. depend

Câu 5: How much would you ______ for repairing my watch?

A. charge

B. cost

C. spend

D. demand

Câu 6: 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