Câu hỏi: Most children are ill-prepared (to/for/from/at) employment.

A. to

B. for

C. from

D. at

Câu 1: Four-fifths of the world's computers use programs (at/in/on/about) English.

A. at

B. in

C. on

D. about

Câu 2: Gas is made .......... coal.

A. of

B. from

C. with

D. to

Câu 3: We are present (at/in/to/of) the lecture yesterday.

A. at

B. in

C. to

D. of

Câu 4: If you earn a good salary, you can be independent .......... your parents.

A. for

B. to

C. of

D. by

Câu 5: We are grateful (at/in/on/to) our teacher.

A. at

B. in

C. on

D. to

Câu 6: He suffers .......... headaches.

A. from

B. with

C. in

D. by