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

A. are

B. be

C. is

D. being

Câu 1: 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 2: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 3: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

Câu 4: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 5: The boy found a wallet in the street, and then he ...... to return it to the loser.

A. tried

B. had tried

C. was trying

D. had been trying

Câu 6: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up