Câu hỏi: Instead ......... .petrol, cars will only run .......... solar energy and electricity.

A. of / on

B. for / by

C. in / over

D. from/ upon

Câu 1: She was confused (with/on/about/in) the dates.

A. with

B. on

C. about

D. in

Câu 2: We are ashamed (at/in/to/of) his behavior.

A. at

B. in

C. to

D. of

Câu 3: His book is different (about/from/for/between) mine.

A. about

B. from

C. for

D. between

Câu 4: She is serious (with/about/of/for) learning to be a doctor.

A. with

B. about

C. of

D. for

Câu 5: 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 6: Do you have any objections ....... this new road scheme?

A. at

B. with

C. to

D. for