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

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 1: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 2: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

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

A. to break

B. breaking

C. for breaking

D. having broken

Câu 5: ……………fax transmission is commonly used in most offices.

A. A

B. An

C. The

D. x

Câu 6: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being