Câu hỏi: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 1: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being

Câu 2: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any

Câu 3: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally

Câu 4: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 5: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

Câu 6: 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