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: I have a modest little glass fish tank where I keep a variety of small fish.

A. moderate

B. limited

C. narrow

D. large

Câu 2: I've put the cake on a high shelf where he can't get at it.

A. low

B. untouchable

C. far

D. difficult to reach

Câu 3: Barry seems happy enough working for himself.

A. funny

B. satisfied

C. upset

D. interested

Câu 4: We offer a speedy and secure service of transferring money in less than 24 hours.

A. slow

B. open

C. unsure

D. uninterested

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

A. uninterested 

B. unsure

C. open

D. slow

Câu 6: The earth is being threatened and the future looks bad.

A. done

B. made

C. protected

D. varied