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

A. merchants

B. dealers

C. businessmen

D. tradesmen

Câu 1: It isn’t quite ______ that he will be present at the meeting.

A. right

B. exact

C. certain

D. formal

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

A. broke away

B. broke out

C. broke through

D. broke down

Câu 3: The bus ran over the cliff because its _______ failed.

A. brakes

B. controls

C. gears

D. signals

Câu 4: The country has a system of ______, most of which date from the nineteenth century.

A. channels

B. rivers

C. streams

D. canals

Câu 5: The flat we have rented is very _______ for the underground station.

A. convenient

B. suitable

C. comfortable

D. distant

Câu 6: He’s not ______ of learning German in six months.

A. interested

B. inclined

C. able

D. capable