Câu hỏi: Teachers are responsible (at/for/to/of) their teaching.

A. at

B. for

C. to

D. of

Câu 1: A bird .......... the hand is worth two .......... the bush.

A. on - on

B. on - in

C. in - in

D. in - on

Câu 2: We are grateful (at/in/on/to) our teacher.

A. at

B. in

C. on

D. to

Câu 3: My father insisted (in/on/of/at) building a new house.

A. in

B. on

C. of

D. at

Câu 4: Four-fifths of the world's computers use programs (at/in/on/about) English.

A. at

B. in

C. on

D. about

Câu 5: He is negligent .......... his duties.

A. with

B. to

C. for

D. of

Câu 6: The beach is full (at/in/to/of) tourists in summer.

A. at

B. in

C. to

D. of