Câu hỏi:

They use ________ plastic bottles to keep water.

A. refillable     

B. natural      

C. polluting      

D. charitable

Câu 1:

We are trying to __________ the president to the party.

A. pollute      

B. exchange      

C. invite      

D. cause

Câu 2:

effects/ causes/ noise/ What/ of/ the/ are/ pollution?

A. What the causes and effects of noise pollution are?

B. What are the noise pollution of causes and effects?

C. What the noise pollution of causes and effects are?

D. What are the causes and effects of noise pollution?

Câu 3:

If you turn _________ the lights when you don’t use it, you will save electricity.

A. on      

B. off      

C. up     

D. down

Câu 4:

Let’s reduce the __________ of deforestation.

A. environment     

B. polluted      

C. effect      

D. disappear

Câu 5:

If students recycle and use recycled materials, they will save _________.

A. energy      

B. food      

C. water      

Câu 6: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. polluted      

B. uniform      

C. reduce      

D. reuse