Câu hỏi: My cousin tends to look on the bright side in any circumstance.

A. be optimistic

B. be pessimistic

C. be confident

D. be smart

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

A. uncomfortable

B. responsive

C. calm

D. miserable

Câu 4: ‘What I’ve got to say to you now is strictly off the record and most certainly not for publication,’ said the government official to the reporter.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 5: In some countries, the disease burden could be prevented through environmental improvements.

A. something to stiffer

B. something enjoyable

C. something sad

D. something to entertain

Câu 6: With her sophiscated tastes, the singer has become an omnipresent icon of style and beauty.

A. oblivious

B. controversial

C. ubiquitous

D. unknown