Câu hỏi: We might need more food, depending____ how many people turn up.

A. for

B. on

C. at

D. with

Câu 1: Those books deal mainly_______ tropical plants.

A. with

B. in

C. for

D. up

Câu 2: Water consists _____ oxygen and hydrogen.

A. about

B. with

C. on

D. of

Câu 3: He stayed home .......... the rain.

A. because

B. because of

C. for

D. against

Câu 4: A sign warned motorists ______ dangers.

A. to

B. for

C. about

D. a and c

Câu 5: We reached ______ her house safe and sound.

A. at

B. to

C. with

D. no word is needed

Câu 6: Jane doesn't spend much money______ clothes.

A. over

B. about

C. at

D. on