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: They came to visit us _____ my birthday.

A. at

B. on

C. to

D. of

Câu 2: _______ general, I found zoology to be an easier subject than botany.

A. On

B. In

C. At

D. With

Câu 3: We were all fascinated ________ the things we saw.

A. on

B. in

C. by

D. for

Câu 4: She returned ____ China after spending much time abroad.

A. in

B. from

C. to

D. at

Câu 5: She wants to be financially independent ______ her.

A. about

B. of

C. in

D. with

Câu 6: We are her to provide you _____ the best service possible.

A. of

B. with

C. to

D. for