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

A. to

B. in

C. for

D. of

Câu 1: This must be done_________ any price.

A. for

B. at

C. in

D. with

Câu 2: He succeeded ________ getting a scholarship.

A. in

B. about

C. for

D. on

Câu 3: Washington State is famous ______ its apples.

A. in

B. for

C. of

D. with

Câu 4: I'm not familiar _______ that song.

A. to

B. of

C. with

D. about

Câu 5: Many vegetables, including tomatoes, and corn, are native ______ the New World.

A. for

B. to

C. about

D. upon

Câu 6: When ______ Rome do as the Romans do.

A. with

B. for

C. in

D. like