Câu hỏi: 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

Câu 1: Bill doesn’t _____ what people say about him.

A. care

B. matter

C. disturb

D. depend

Câu 2: The specialist was under so much stress that he finally ________.

A. broke off

B. broke down

C. broke out

D. broke in

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

A. Rearing

B. Breeding

C. Raising

D. Bringing

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

A. interested

B. inclined

C. able

D. capable

Câu 6: The country has a system of ______, most of which date from the nineteenth century.

A. channels

B. rivers

C. streams

D. canals