Câu hỏi: The government is trying to make the country safe _____ terrorist attacks.

A. from

B. of

C. at

D. for

Câu 1: We are her to provide you _____ the best service possible.

A. of

B. with

C. to

D. for

Câu 2: John missed a lot of lessons. He was ill _____ January to March.

A. on

B. from

C. of

D. in

Câu 3: They prevented me______ entering the house.

A. from

B. on

C. with

D. at

Câu 4: Did you have a good time _____ Christmas?

A. at

B. in

C. for

D. on

Câu 5: The children are really excited _____ their summer vacation.

A. on

B. of

C. to

D. about

Câu 6: John F. Kenedy was the first President to be born ____ the twentieth century.

A. in

B. on

C. at

D. up