Câu hỏi:

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

A. swap      

B. raise      

C. wrap      

D. recycle

Câu 1: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. deforest      

B. pollution      

C. decorate     

D. polite

Câu 2:

They use ________ plastic bottles to keep water.

A. refillable     

B. natural      

C. polluting      

D. charitable

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

A. A. charity     

B. natural      

C. classmate      

D. exchange

Câu 4:

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

A. on      

B. off      

C. up     

D. down

Câu 5:

This recycling bin belongs to them.

A. This recycling bin is them.

B. This recycling bin is their.

C. This recycling bin is theirs.

D. This recycling bin is they’s.

Câu 6: Rearrange the sentences to make meaningful sentences

area/ has become/ my/ great/ in/ pollution/ Water/ problem/ a.

A. Water in my area pollution has become a great problem.

B. Water problem has become a great pollution in my area.

C. Water pollution in my area has become a great problem.

D.