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

A. in

B. from

C. to

D. at

Câu 1: I like to shower in the morning, but my roommate likes to shower ____ night.

A. at

B. on

C. in

D. with

Câu 2: The price of electricity is going up _____ August.

A. in

B. on

C. at

D. of

Câu 3: Did you have a good time _____ Christmas?

A. at

B. in

C. for

D. on

Câu 4: They came to visit us _____ my birthday.

A. at

B. on

C. to

D. of

Câu 5: There must be _______ least one vowel in every English word.

A. at

B. on

C. in

D. upon

Câu 6: Mrs. Liz was accused _______ having stolen the car.

A. of

B. with

C. in

D. upon