Câu hỏi: 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 1: I think it's important to listen to both sides of the argument.

A. hear

B. speak

C. advise

D. pay attention to

Câu 2: We ought to keep these proposals secret from the chairman for the time being.

A. lively

B. frequented

C. accessible

D. revealed

Câu 3: Soon after it was born, the calf got up and tried to stand on its shaky legs.

A. appeared

B. died

C. joined

D. celebrated

Câu 4: I’d like to pay some money into my bank account.

A. withdraw some money from

B. put some money into

C. give some money out

D. leave some money aside

Câu 5: In the first two decades of its existence, the cinema developed rapidly.

A. leisurely

B. slowly

C. weakly

D. shortly

Câu 6: His policies were beneficial to the economy as a whole.

A. harmless

B. crude

C. harmful

D. good