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

A. who

B. whose

C. when

D. that

Câu 1: The campaign will hopefully ensure the survival ...... the tiger.

A. of

B. for

C. to

D. on

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

A. save

B. to save

C. saving

D. saved

Câu 3: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 4: 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 5: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally

Câu 6: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism