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

A. nature

B. natural

C. naturalized

D. naturally

Câu 1: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 2: I don't remember ...... of the decision to change the company policy on vacations. When was it decided?

A. telling

B. being told

C. to tell

D. to be told

Câu 3: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 4: I was ...... to find that the film was quite ……

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened

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

A. A

B. An

C. The

D. x