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

A. of

B. for

C. to

D. on

Câu 1: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 2: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally

Câu 3: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up

Câu 4: A hydroelectric dam ______________ in this area now.

A. is building

B. is being built

C. build

D. was built

Câu 5: 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 6: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted