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

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 1: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 2: 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

Câu 3: No one could ever accuse this government ...... about the poor.

A. not caring

B. of not caring

C. for not caring

D. not to care

Câu 4: ……………fax transmission is commonly used in most offices.

A. A

B. An

C. The

D. x

Câu 5: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

Câu 6: The campaign will hopefully ensure the survival ...... the tiger.

A. of

B. for

C. to

D. on