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: Gas is made .......... coal.

A. of

B. from

C. with

D. to

Câu 3: Your words are contrary (to/in/on/of) your acts.

A. to

B. in

C. on

D. of

Câu 4: That singer has become very popular (at/with/to/of) the youth.

A. at

B. with

C. to

D. of

Câu 5: The book is divided (to/in/into/for) three parts.

A. to

B. in

C. into

D. for

Câu 6: English belongs (from/to/on/in) those who use it.

A. from

B. to

C. on

D. in