Câu hỏi: 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 1: 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

Câu 2:

effects/ causes/ noise/ What/ of/ the/ are/ pollution?

A. What the causes and effects of noise pollution are?

B. What are the noise pollution of causes and effects?

C. What the noise pollution of causes and effects are?

D. What are the causes and effects of noise pollution?

Câu 3: Rewrite sentences without changing the meaning

We can use this bottle once again.

A. We can reduce this bottle.

B. We can reuse this bottle.

C. We can refill this bottle.

D. We can recycle this bottle.

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:

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 6:

Let’s reduce the __________ of deforestation.

A. environment     

B. polluted      

C. effect      

D. disappear