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

A. uninterested 

B. unsure

C. open

D. slow

Câu 1: Using Facebook, you can post update sayings about your life every day.

A. locate

B. displace

C. establish

D. put up

Câu 2: Certain courses are compulsory; others are optional.

A. voluntary

B. free

C. pressure

D. mandatory

Câu 3: 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 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: The doctor advised Peter to give up smoking.

A. stop

B. continue

C. finish

D. consider

Câu 6: They started building the house in January.

A. begin

B. finish

C. commence

D. continue