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

A. brakes

B. controls

C. gears

D. signals

Câu 1:  The ______ of the bank where he worked was not in the centre of the city.

A. seat

B. quarter

C. branch

D. piece

Câu 2: The country has a system of ______, most of which date from the nineteenth century.

A. channels

B. rivers

C. streams

D. canals

Câu 3: The specialist was under so much stress that he finally ________.

A. broke off

B. broke down

C. broke out

D. broke in

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: Large waves were ______ on the seashore.

A. going

B. running

C. hitting

D. breaking

Câu 6: If your bicycle ______ comes off, it is almost impossible te put it back on without getting oil on your hands.

A. ring

B. belt

C. steel

D. chain