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: She was always very hard-working at school.

A. studious

B. learned

C. lazy

D. attentive

Câu 2: When the bank refused to lend us any more money we realized we'd reached the end of the road.

A. give

B. hold

C. take

D. borrow

Câu 3: I think it's important to listen to both sides of the argument.

A. hear

B. speak

C. advise

D. pay attention to

Câu 4: You did a beautiful thing in helping those poor children.

A. meaningful

B. good

C. terrible

D. positive

Câu 5: We offer a speedy and secure service of transferring money in less than 24 hours.

A. slow

B. open

C. unsure

D. uninterested

Câu 6: The Red Cross is an international humanitarian agency dedicated to reducing the sufferings of wounded soldiers, civilians and prisoners of war.

A. worry and sadness

B. pain and sorrow

C. loss

D. happiness