Câu hỏi: We just rested _________ a short time.

A. at

B. since

C. for

D. in

Câu 1: Is the United States the wealthiest country ______ the world?

A. to

B. in

C. for

D. of

Câu 2: Don't put ____ until tomorrow what you can do today.

A. away

B. off

C. aside

D. up

Câu 3: There is an increasing demand _____ taller building in big cities.

A. with

B. on

C. for

D. of

Câu 4: This style of architecture is typical ___ the Colonial period.

A. of

B. to

C. about

D. with

Câu 5: Water is essential _____ all life.

A. on

B. for

C. in

D. with

Câu 6: This summer, he will be eligible _______ a three week vacation.

A. on

B. about

C. of

D. to