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

A. in

B. on

C. under

D. below

Câu 1: ……………fax transmission is commonly used in most offices.

A. A

B. An

C. The

D. x

Câu 2: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally

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

A. to break

B. breaking

C. for breaking

D. having broken

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: After she ________ hospital, she had a long holiday.

A. leaves

B. is leaving

C. had left

D. has left

Câu 6: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved