Câu hỏi: We are looking forward ....... seeing you again.

A. to

B. of

C. for

D. by

Câu 1: This organization is quick ... sending relief goods to the flooded areas.

A. with

B. at

C. for

D. about

Câu 2: We have to apply effective measures to save many plant and animal species ........ extinction.

A. from

B. in

C. for

D. on

Câu 3: My daily expense are just about equal ............ my income.

A. to

B. with

C. of

D. for

Câu 4: Don't you think you should try to be friendly ... your classmates?

A. to

B. of

C. with

D. by

Câu 5: Clean air is necessary ........... our health.

A. to

B. for

C. on

D. with

Câu 6: Miss White was very upset .......... the news of her father's death.

A. with

B. about

C. at

D. for