Câu hỏi: Gas is made .......... coal.

A. of

B. from

C. with

D. to

Câu 1: If you earn a good salary, you can be independent .......... your parents.

A. for

B. to

C. of

D. by

Câu 2: Most children are ill-prepared (to/for/from/at) employment.

A. to

B. for

C. from

D. at

Câu 3: The air at the seaside is good (at/for/on/of) health.

A. at

B. for

C. on

D. of

Câu 4: My father insisted (in/on/of/at) building a new house.

A. in

B. on

C. of

D. at

Câu 5: Ottawa is .......... Canada.

A. with

B. on

C. to

D. in

Câu 6: The streets are crowded (at/ in/ with/ of) vehicles at the rush hour.

A. at

B. in

C. with

D. of