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

A. at

B. on

C. in

D. upon

Câu 1: They came to visit us _____ my birthday.

A. at

B. on

C. to

D. of

Câu 2: The children are really excited _____ their summer vacation.

A. on

B. of

C. to

D. about

Câu 3: The police blamed the mother____ neglecting her child.

A. to

B. for

C. with

D. of

Câu 4: I like to shower in the morning, but my roommate likes to shower ____ night.

A. at

B. on

C. in

D. with

Câu 5: John missed a lot of lessons. He was ill _____ January to March.

A. on

B. from

C. of

D. in

Câu 6: She'll come home ______ April.

A. on

B. in

C. at

D. for