Câu hỏi: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 1: A chronic lack of sleep may make us irritable and reduces our motivation to work.

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 2: During the five- decade history the Asian Games have been advancing in all aspects.

A. holding at

B. holding back

C. holding to

D. holding by

Câu 3: ‘What I’ve got to say to you now is strictly off the record and most certainly not for publication,’ said the government official to the reporter.

A. already official

B. beside the point

C. not popular

D. not recorded

Câu 4: We'd better speed up if we want to get there in time.

A. slow down

B. turn down

C. put down

D. lie down

Câu 5: The distinction between schooling and education implied by this remark is important.

A. explicit

B. implicit

C. obscure

D. odd

Câu 6: Solar energy is not only plentiful but also infinite.

A. without limit

B. boundless

C. limited

D. indefinite