Câu hỏi: The pens made___________ plastic are very cheap.

A. by

B. with

C. of

D. to

Câu 1: If you look __________ the book, you can find what you need.

A. through 

B. up

C. after

D. by

Câu 2: He was in orbit around the Earth __________ a speed of more than 17,000 miles per hour.

A. at

B. in

C. by

D. on

Câu 3: Ken prefers Chinese food________ French food.

A. to

B. or

C. and

D. with

Câu 4: Do you believe _______ ghosts?

A. no preposition

B. in

C. on

D. at

Câu 5: We might need more food, depending ____ how many people turn up.

A. for

B. on

C. at

D. with

Câu 6: How long have they been working _____________ the company?

A. for

B. at

C. in

D. on