Câu hỏi: 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 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: Barry seems happy enough working for himself.

A. funny

B. satisfied

C. upset

D. interested

Câu 3: You did a beautiful thing in helping those poor children.

A. meaningful

B. good

C. terrible

D. positive

Câu 4: They started building the house in January.

A. begin

B. finish

C. commence

D. continue

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: You can find the answer to almost any question in cyberspace.

A. require

B. comment

C. answer

D. sentence