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 book ___ two weeks ago.

A. came across

B. came by

C. came into

D. came out

Câu 2: Several prisoners _______ from their guards and escaped.

A. broke away

B. broke out

C. broke through

D. broke down

Câu 3: As we wait no longer for the delivery of your order, we have to ______ it.

A. postpone

B. refuse

C. return

D. cancel

Câu 4: If you put too many potatoes in that paper-bag it will ______.

A. explode

B. crack

C. burst

D. overcrowd

Câu 5: He’s not ______ of learning German in six months.

A. interested

B. inclined

C. able

D. capable

Câu 6: How much would you ______ for repairing my watch?

A. charge

B. cost

C. spend

D. demand