Câu hỏi: He is very worried ......... his new job because he is not quite prepared .......... working.

A. on / over

B. to / off 

C. about / for

D. in / at

Câu 1: May I introduce you .......... Mrs Brown?

A. with

B. for

C. to

D. of

Câu 2: She is serious (with/about/of/for) learning to be a doctor.

A. with

B. about

C. of

D. for

Câu 3: If you have ever watched television, you have seen plenty .......... drug advertisements.

A. with

B. of

C. for

D. about

Câu 4: Family members who live apart try to get together ...... Tet.

A. in

B. at

C. on

D. during

Câu 5: According ..... Bill, there's something wrong  ........ my computer.

A. after / for

B. on / about

C. to / with

D. upon / at

Câu 6: He was successful (in/with/of/to) his job.

A. in

B. with

C. of

D. to