Câu hỏi: Water is essential _____ all life.

A. on

B. for

C. in

D. with

Câu 1: Many vegetables, including tomatoes, and corn, are native ______ the New World.

A. for

B. to

C. about

D. upon

Câu 2: Oxygen, fuel, and hear are all necessary _____ combustion.

A. with

B. for

C. about

D. in

Câu 3: Don't put ____ until tomorrow what you can do today.

A. away

B. off

C. aside

D. up

Câu 4: This must be done_________ any price.

A. for

B. at

C. in

D. with

Câu 5: We just rested _________ a short time.

A. at

B. since

C. for

D. in

Câu 6: People who are afraid ___ heights are called acrophobes.

A. of

B. on

C. in

D. to