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

A. what      

B. wrap      

C. when     

D. with

Câu 1:

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

A. on      

B. off      

C. up     

D. down

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. reuse      

B. refill      

C. recycle     

D. level

Câu 4: 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 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:

Let’s reduce the __________ of deforestation.

A. environment     

B. polluted      

C. effect      

D. disappear