Câu hỏi: Clean air is necessary ........... our health.

A. to

B. for

C. on

D. with

Câu 1: It was very kind .......... you to lend me the money I needed.

A. for

B. of

C. to

D. with

Câu 2: Don't you think you should try to be friendly ... your classmates?

A. to

B. of

C. with

D. by

Câu 3: Are you excited .......... going on holiday next week?

A. with

B. about

C. to

D. by

Câu 4: She was sad because he was rude ... her.

A. with

B. about

C. for

D. to

Câu 5: What do you often do ............ the evening?

A. on

B. at

C. for

D. in

Câu 6: The gloves aren't very suitable .......... that kind of work.

A. for

B. with

C. about

D. to