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

A. merchants

B. dealers

C. businessmen

D. tradesmen

Câu 1: The fog made it difficult for the driver to see when the traffic lights _____.

A. adjusted

B. moved

C. changed

D. removed

Câu 2: If you put too many potatoes in that paper-bag it will ______.

A. explode

B. crack

C. burst

D. overcrowd

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

A. postpone

B. refuse

C. return

D. cancel

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

A. receive

B. accept

C. listen

D. catch

Câu 6: The flat we have rented is very _______ for the underground station.

A. convenient

B. suitable

C. comfortable

D. distant