Câu hỏi:

Why don’t we __________ old school objects for candies?

A. swap      

B. raise      

C. wrap      

D. recycle

Câu 1:

We ___________ a survey to know more about recycling

A. make      

B. do      

C. have      

D. get

Câu 2:

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

A. energy      

B. food      

C. water      

Câu 3:

We will save the environment if we ___________ plastic.

A. reuses      

B. reuse     

C. reusing      

D. reused

Câu 4:

We can find noise pollution __________ most cities.

A. of      

B. on      

C. to      

D. in

Câu 5: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. appear     

B. hear      

C. bear     

D. ear

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

A. energy      

B. president      

C. electricity     

D. decorate