Câu hỏi: Ken prefers Chinese food________ French food.

A. to

B. or

C. and

D. with

Câu 1: Our study is very important____________ our future and useful_____________ our country.

A. for/ for

B. to/ to

C. for/ to

D. to/ for

Câu 2: We congratulate you ___________ your successful flight.

A. on

B. about

C. by

D. with

Câu 3: Smoking is harmful _____________ our health.

A. to

B. by

C. against

D. with

Câu 4: I think your mother should let you make___________ your own mind.

A. down

B. to

C. up

D. of

Câu 5: She was very surprised ________ the grade she received.

A. at

B. on

C. of

D. about

Câu 6: It was very nice__________ him to give me a lift.

A. of

B. by

C. to

D. on