Câu hỏi: His policies were beneficial to the economy as a whole.

A. harmless

B. crude

C. harmful

D. good

Câu 1: The earth is being threatened and the future looks bad.

A. done

B. made

C. protected

D. varied

Câu 2: She must be very strong to carry such a weight on her back.

A. weak

B. musculous

C. sick

D. healthy

Câu 3: The whole conference was totally disorganized - nobody knew what they were supposed to be doing.

A. someone

B. nothing

C. no one

D. something

Câu 4: Population growth rates vary among regions and even among countries within the same region.

A. fluctuate

B. stay unchanged

C. restrain

D. remain unstable

Câu 5: She went to live in another state after the break-up of her marriage.

A. loneliness

B. anniversary

C. celebrity

D. divorce

Câu 6: Certain courses are compulsory; others are optional.

A. voluntary

B. free

C. pressure

D. mandatory