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

A. at

B. on

C. in

D. upon

Câu 1: She'll come home ______ April.

A. on

B. in

C. at

D. for

Câu 2: We were all fascinated ________ the things we saw.

A. on

B. in

C. by

D. for

Câu 3: This book is based _____ part on fact.

A. in

B. upon

C. at

D. on

Câu 4: We are her to provide you _____ the best service possible.

A. of

B. with

C. to

D. for

Câu 5: _____ the whole, I enjoyed the movie.

A. On

B. In

C. At

D. Up

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

A. in

B. on

C. at

D. up