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

A. A

B. An

C. The

D. x

Câu 1: 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

Câu 2: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 3: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 4: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 5: Express Money Transfer is one of the quickest ways ……..help us to send money.

A. who

B. whose

C. when

D. that

Câu 6: I don't remember ...... of the decision to change the company policy on vacations. When was it decided?

A. telling

B. being told

C. to tell

D. to be told