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

A. are

B. be

C. is

D. being

Câu 1: 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 2: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up

Câu 3: I was ...... to find that the film was quite ……

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened

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

A. nature

B. natural

C. naturalized

D. naturally

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

A. A

B. An

C. The

D. x

Câu 6: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below