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

A. after

B. before

C. and

D. for

Câu 1: We were very disappointed _____ the organization of the festival.

A. to

B. with

C. about

D. of

Câu 2: This book is based _____ part on fact.

A. in

B. upon

C. at

D. on

Câu 3: She wants to be financially independent ______ her.

A. about

B. of

C. in

D. with

Câu 4: I am sure he didn't break the plate ______ purpose.

A. in

B. at

C. for

D. on

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

A. on

B. in

C. by

D. for

Câu 6: They prevented me______ entering the house.

A. from

B. on

C. with

D. at