Câu hỏi: I think your mother should let you make___________ your own mind.

A. down

B. to

C. up

D. of

Câu 1: China became the third country in the world to be able to independently carry __________ manned space flights.

A. by

B. up

C. on

D. out

Câu 2: Our study is very important____________ our future and useful_____________ our country.

A. for/ for

B. to/ to

C. for/ to

D. to/ for

Câu 3: She always takes good care _______ her children.

A. for

B. in

C. of

D. with

Câu 4: A sign warned motorists ______ dangers.

A. of

B. for

C. about

D. a and c

Câu 5: How long have they been working _____________ the company?

A. for

B. at

C. in

D. on

Câu 6: We might need more food, depending ____ how many people turn up.

A. for

B. on

C. at

D. with