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

A. at

B. on

C. to

D. of

Câu 1: John F. Kenedy was the first President to be born ____ the twentieth century.

A. in

B. on

C. at

D. up

Câu 2: Please put your stuff away to make room ______ the new computer.

A. from

B. upon

C. about

D. for

Câu 3: _______ general, I found zoology to be an easier subject than botany.

A. On

B. In

C. At

D. With

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

A. at

B. on

C. in

D. upon

Câu 5: We were very disappointed _____ the organization of the festival.

A. to

B. with

C. about

D. of

Câu 6: This book is based _____ part on fact.

A. in

B. upon

C. at

D. on