Câu hỏi: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other

Câu 1: It is very difficult for human beings fighting pollution.

A. difficult

B. for

C. beings

D. fighting

Câu 2: My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

A. doesn’t care

B. does the washing machine cost

C. because

D. going to buy

Câu 3: In very early times, people around the fire were entertained by storytellers with stories of heroes’ wonderful actions and victory.

A. times

B. around

C. ưere entertained

D. victory

Câu 4: A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

A. is

B. long enough

C. in that

D. imaginary

Câu 5: Anyone reproducing copyrighted works without permission of the holders of the copyrights are breaking the law.

A. reproducing

B. are

C. breaking

D. the law

Câu 6: Aristotle, the famous Greek philosopher, believed that the brain was an organ that cooled a heart.

A. the famous

B. the brain

C. an organ

D. a heart