Câu hỏi: How long have they been working _____________ the company?

A. for

B. at

C. in

D. on

Câu 1: Ed depends ________ his family for financial support.

A. on

B. in

C. of

D. at

Câu 2: Ken prefers Chinese food________ French food.

A. to

B. or

C. and

D. with

Câu 3: Jane doesn’t spend much money ______ clothes.

A. over

B. about

C. at

D. on

Câu 4: How would the body react__________ the extreme changes in temperature?

A. by

B. to

C. with

D. about

Câu 5: If you look __________ the book, you can find what you need.

A. through 

B. up

C. after

D. by

Câu 6: The pens made___________ plastic are very cheap.

A. by

B. with

C. of

D. to