Câu hỏi:

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

A. on      

B. off      

C. up     

D. down

Câu 1:

We will save the environment if we ___________ plastic.

A. reuses      

B. reuse     

C. reusing      

D. reused

Câu 2:

They are using leaves __________ food.

A. wrap      

B. to wrap      

C. wrapping      

D. will wrap

Câu 3:

throw/ environment/ If/ pollute/ will/ you/ it/ the/ the rubbish.

A. If it throw the rubbish, you will pollute the environment.

B. If you will throw the rubbish, it pollute the environment.

C. If you throw the rubbish, it will pollute the environment.

D. If it pollute the environment, you will throw rubbish.

Câu 4:

We ___________ a survey to know more about recycling

A. make      

B. do      

C. have      

D. get

Câu 5:

Let’s reduce the __________ of deforestation.

A. environment     

B. polluted      

C. effect      

D. disappear

Câu 6:

You should put rubbish in the recycling ___________.

A. bin      

B. sea      

C. soil      

D. air