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: The workers are building a new bridge which is 150 meters in high.

A. building

B. a new bridge

C. which

D. high

Câu 3: If the goal keeper had playing better, they would not have lost the game.

A. If

B. goal keeper

C. had playing

D. would not have lost

Câu 4: In a federal form of government like that of the United States, power is divided between the legislative, executive, and judicial branches.

A. like

B. that of the United States

C. is divided

D. between

Câu 5: The company did not want to hire a man that his experiment was so limited.

A. The

B. want to hire

C. that his

D. so limited

Câu 6: 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