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

A. interested

B. inclined

C. able

D. capable

Câu 2: The bus ran over the cliff because its _______ failed.

A. brakes

B. controls

C. gears

D. signals

Câu 3: Several prisoners _______ from their guards and escaped.

A. broke away

B. broke out

C. broke through

D. broke down

Câu 4: When she heard from the hospital the father had died, she ______ into tears.

A. burst

B. exploded

C. fell

D. melted

Câu 5: If you put too many potatoes in that paper-bag it will ______.

A. explode

B. crack

C. burst

D. overcrowd

Câu 6: It isn’t quite ______ that he will be present at the meeting.

A. right

B. exact

C. certain

D. formal