Câu hỏi: We ought to keep these proposals secret from the chairman for the time being.

A. lively

B. frequented

C. accessible

D. revealed

Câu 1: The earth is being threatened and the future looks bad.

A. done

B. made

C. protected

D. varied

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

A. begin

B. finish

C. commence

D. continue

Câu 4: In the first two decades of its existence, the cinema developed rapidly.

A. leisurely

B. slowly

C. weakly

D. shortly

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: 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