Câu hỏi: They have been waiting ......... the bus for half an hour.

A. for

B. to

C. of

D. with

Câu 1: She likes to go .......... a picnic.

A. for

B. on

C. for and on are correct

D. by

Câu 2: She smiled .......... him.

A. at

B. with

C. to

D. about

Câu 3: Some large cities may have to ban cars.... the city center to wipe out smoke.

A. of

B. from

C. to

D. with

Câu 4: What time did they arrive .... London?

A. at

B. on

C. in

D. to

Câu 5: Go and get me a carton .......... cigarettes.

A. with

B. of

C. out of

D. no

Câu 6: Mr. Johnson said he was ......... favor of doing the work right away.

A. to

B. in

C. above

D. of