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

A. of

B. for

C. to

D. on

Câu 1: 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 2: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 3: After she ________ hospital, she had a long holiday.

A. leaves

B. is leaving

C. had left

D. has left

Câu 4: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

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

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 6: Express Money Transfer is one of the quickest ways ……..help us to send money.

A. who

B. whose

C. when

D. that