Câu hỏi: I shall be ready .......... a moment.

A. for

B. in

C. with

D. on

Câu 1: They chose him .......... their leader.

A. with

B. for

C. by

D. into

Câu 2: They have been waiting ......... the bus for half an hour.

A. for

B. to

C. of

D. with

Câu 3: Our flat is ......... the second floor of the building.

A. to

B. in

C. on

D. at

Câu 4: .......... the past, people did a great deal of work by hand.

A. in

B. from

C. on

D. to

Câu 5: She smiled .......... him.

A. at

B. with

C. to

D. about

Câu 6: Some large cities may have to ban cars.... the city center to wipe out smoke.

A. of

B. from

C. to

D. with