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

A. A

B. An

C. The

D. x

Câu 1: I was ...... to find that the film was quite ……

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened

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

A. nature

B. natural

C. naturalized

D. naturally

Câu 3: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being

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

A. in

B. on

C. under

D. below

Câu 5: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 6: Laura reminded her roommate ...... her alarm clock for 6:00.

A. to set

B. setting

C. to be set

D. of setting