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

A. A. wrap      

B. swap      

C. ask      

D. that

Câu 1:

We are trying to __________ the president to the party.

A. pollute      

B. exchange      

C. invite      

D. cause

Câu 2: 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

Câu 3:

soil/ I/ do/ on/ pollution/ will/ a/ survey.

A. I will do a survey on soil pollution.

B. I will do soil pollution on a survey.

C. I will survey a do on soil pollution.

D.  

Câu 4:

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

A. energy      

B. food      

C. water      

Câu 5: 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 6:

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.