Câu hỏi: The earth is being threatened and the future looks bad.

A. done

B. made

C. protected

D. varied

Câu 1: Certain courses are compulsory; others are optional.

A. voluntary

B. free

C. pressure

D. mandatory

Câu 2: He is writing a book on the representation of woman in medieval art.

A. men

B. female

C. girl

D. mother

Câu 3: The whole conference was totally disorganized - nobody knew what they were supposed to be doing.

A. someone

B. nothing

C. no one

D. something

Câu 4: Population growth rates vary among regions and even among countries within the same region.

A. fluctuate

B. stay unchanged

C. restrain

D. remain unstable

Câu 5: It must be difficult to cope with three small children and a job.

A. easy

B. free

C. confusing

D. tricky

Câu 6: Using Facebook, you can post update sayings about your life every day.

A. locate

B. displace

C. establish

D. put up