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

A. broke off

B. broke down

C. broke out

D. broke in

Câu 1: The book ___ two weeks ago.

A. came across

B. came by

C. came into

D. came out

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

A. explode

B. crack

C. burst

D. overcrowd

Câu 3: It isn’t quite ______ that he will be present at the meeting.

A. right

B. exact

C. certain

D. formal

Câu 4: He’s not ______ of learning German in six months.

A. interested

B. inclined

C. able

D. capable

Câu 5: The bus ran over the cliff because its _______ failed.

A. brakes

B. controls

C. gears

D. signals

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

A. channels

B. rivers

C. streams

D. canals