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

A. building

B. a new bridge

C. which

D. high

Câu 1: In today's competitive markets, even small businesses had better to advertise on TV and radio in order to gain a share of the market.

A. today’s

B. to advertise

C. on

D. to gain

Câu 2: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other

Câu 3: 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 4: 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

Câu 5: 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 6: It is very difficult for human beings fighting pollution.

A. difficult

B. for

C. beings

D. fighting