Câu hỏi: To reduce pollution, we have to stop using many things that makes our life comfortable.

A. To reproduce pollution

B. using

C. makes

D. comfortable

Câu 1: 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 2: 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 3: It is very difficult for human beings fighting pollution.

A. difficult

B. for

C. beings

D. fighting

Câu 4: Ralph wishes that he went to the bank this morning before he went to work.

A. wishes that

B. went

C. before

D. went to work

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: 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