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

A. postpone

B. refuse

C. return

D. cancel

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

A. Rearing

B. Breeding

C. Raising

D. Bringing

Câu 4: The specialist was under so much stress that he finally ________.

A. broke off

B. broke down

C. broke out

D. broke in

Câu 5: He spoke so quickly that I didn’t ______ what he said.

A. receive

B. accept

C. listen

D. catch

Câu 6: Every day thousands of ______ fly the Atlantic for negotiations with American firms.

A. merchants

B. dealers

C. businessmen

D. tradesmen