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

A. down

B. to

C. up

D. of

Câu 1: We congratulate you ___________ your successful flight.

A. on

B. about

C. by

D. with

Câu 2: Why don't you ask_____________ a pay increase?

A. for

B. by

C. to

D. with

Câu 3: How would the body react__________ the extreme changes in temperature?

A. by

B. to

C. with

D. about

Câu 4: He insisted ______ taking us dinner.

A. on

B. in

C. over

D. of

Câu 5: Ken prefers Chinese food________ French food.

A. to

B. or

C. and

D. with

Câu 6: Our study is very important____________ our future and useful_____________ our country.

A. for/ for

B. to/ to

C. for/ to

D. to/ for