Câu hỏi:

Water is used to generate __________.

A.  

B. electricity      

C. money      

D. deforestation

Câu 1:

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

A. energy      

B. food      

C. water      

Câu 2:

We/ should/ spend/ money/ recycling

A. We should spend money at recycling.

B. We should spend money in recycling.

C. We should spend money on recycling.

D. We should spend money of recycling.

Câu 3: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. recycle      

B. happy     

C. study     

D. windy

Câu 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. energy     

B. environment     

C. deforestation     

D. exchange

Câu 5:

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

A. on      

B. off      

C. up     

D. down

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

A. refillable      

B. environment     

C. bin