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

A. in

B. upon

C. at

D. on

Câu 1: Helen had said goodbye to everybody in the class _____ she left for the hometown.

A. after

B. before

C. and

D. for

Câu 2: Thank you very much _____ what you have done for me.

A. of

B. up

C. for

D. about

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

A. on

B. from

C. of

D. in

Câu 5: We were all fascinated ________ the things we saw.

A. on

B. in

C. by

D. for

Câu 6: The government is trying to make the country safe _____ terrorist attacks.

A. from

B. of

C. at

D. for