Câu hỏi: They started building the house in January.

A. begin

B. finish

C. commence

D. continue

Câu 1: 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 2: She must be very strong to carry such a weight on her back.

A. weak

B. musculous

C. sick

D. healthy

Câu 3: We offer a speedy and secure service of transferring money in less than 24 hours.

A. slow

B. open

C. unsure

D. uninterested

Câu 4: I think it's important to listen to both sides of the argument.

A. hear

B. speak

C. advise

D. pay attention to

Câu 5: Mr. Smith’s new neighbors appear to be very friendly.

A. amicable

B. inapplicable

C. hostile

D. futile

Câu 6: Population growth rates vary among regions and even among countries within the same region.

A. fluctuate

B. stay unchanged

C. restrain

D. remain unstable