Câu hỏi: To be prepared for war is one of the most effectual means of preserving peace.

A. best

B. worst

C. fastest

D. least

Câu 1: My suitcases are so heavy.

A. thin

B. light

C. large

D. round

Câu 2: This vertical section of the soil shows four basic soil layers.

A. visible

B. important

C. necessary

D. horizonal

Câu 3: We have been out of touch him since he moved to London.

A. kept contact with

B. made a call to

C. contacted with

D. written to

Câu 4: If you are not inside a house, you do not know about its leaking.

A. upon

B. outdoors

C. outside

D. near

Câu 5: The bank announced that it was to merge with another of the high street banks.

A. associate

B. separate

C. cooperate

D. assemble

Câu 6: China has become the third country in the world which can independently carried out the manned space activities.

A. put up

B. put in

C. put on

D. put off