Câu hỏi: It must be difficult to cope with three small children and a job.

A. easy

B. free

C. confusing

D. tricky

Câu 1: 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 2: 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 3: They started building the house in January.

A. begin

B. finish

C. commence

D. continue

Câu 4: The doctor advised Peter to give up smoking.

A. stop

B. continue

C. finish

D. consider

Câu 5: 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 6: Mr. Smith’s new neighbors appear to be very friendly.

A. amicable

B. inapplicable

C. hostile

D. futile