Câu hỏi: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

Câu 1: ……………fax transmission is commonly used in most offices.

A. A

B. An

C. The

D. x

Câu 2: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 3: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up

Câu 4: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 5: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 6: The boy found a wallet in the street, and then he ...... to return it to the loser.

A. tried

B. had tried

C. was trying

D. had been trying