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

A. of

B. for

C. to

D. on

Câu 1: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 2: 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 3: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

Câu 4: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 5: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 6: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken