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

A. visible

B. important

C. necessary

D. horizonal

Câu 1: Be quiet or you'll wake the whole house!

A. still

B. noisy

C. peaceful

D. tranquil

Câu 2: If you are not inside a house, you do not know about its leaking.

A. upon

B. outdoors

C. outside

D. near

Câu 3: We shouldn't complain about being poor many families are much worse off .

A. explain

B. repeat

C. praise

D. command

Câu 4: Name some famous football players in the world.

A. infamous

B. unknown

C. impossible

D. irregular

Câu 5: 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 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