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

A. channels

B. rivers

C. streams

D. canals

Câu 2: ______ up children properly is mainly their parents’ duty.

A. Rearing

B. Breeding

C. Raising

D. Bringing

Câu 3: He spoke so quickly that I didn’t ______ what he said.

A. receive

B. accept

C. listen

D. catch

Câu 4: The book ___ two weeks ago.

A. came across

B. came by

C. came into

D. came out

Câu 5: Large waves were ______ on the seashore.

A. going

B. running

C. hitting

D. breaking

Câu 6: Do you mind if I ______ with my work while you are getting tea ready?

A. turn to

B. carry out

C. come on

D. carry on