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

A. from

B. of

C. at

D. for

Câu 1: She returned ____ China after spending much time abroad.

A. in

B. from

C. to

D. at

Câu 2: I am sure he didn't break the plate ______ purpose.

A. in

B. at

C. for

D. on

Câu 3: John F. Kenedy was the first President to be born ____ the twentieth century.

A. in

B. on

C. at

D. up

Câu 4: There must be _______ least one vowel in every English word.

A. at

B. on

C. in

D. upon

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

A. on

B. of

C. to

D. about

Câu 6: _____ the whole, I enjoyed the movie.

A. On

B. In

C. At

D. Up