Câu hỏi: Was your choice of research topic acceptable _____ your instructor.

A. for

B. to

C. on

D. upon

Câu 1: He succeeded ________ getting a scholarship.

A. in

B. about

C. for

D. on

Câu 2: There is an increasing demand _____ taller building in big cities.

A. with

B. on

C. for

D. of

Câu 3: Is the United States the wealthiest country ______ the world?

A. to

B. in

C. for

D. of

Câu 4: People who are afraid ___ heights are called acrophobes.

A. of

B. on

C. in

D. to

Câu 5: Oxygen, fuel, and hear are all necessary _____ combustion.

A. with

B. for

C. about

D. in

Câu 6: This movie is based ________ a true story.

A. of

B. at

C. about

D. on