Câu hỏi: She was very surprised ________ the grade she received.

A. at

B. on

C. of

D. about

Câu 1: Smoking is harmful _____________ our health.

A. to

B. by

C. against

D. with

Câu 2: How would the body react__________ the extreme changes in temperature?

A. by

B. to

C. with

D. about

Câu 3: Do you believe _______ ghosts?

A. no preposition

B. in

C. on

D. at

Câu 4: A sign warned motorists ______ dangers.

A. of

B. for

C. about

D. a and c

Câu 5: She always takes good care _______ her children.

A. for

B. in

C. of

D. with

Câu 6: He wore a hat, which made him look _______________ a spy.

A. like

B. up

C. after

D. back