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

A. A. fasten      

B. daddy     

C. backpack     

D. water

Câu 3:

We will save the environment if we ___________ plastic.

A. reuses      

B. reuse     

C. reusing      

D. reused

Câu 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. refillable      

B. environment     

C. bin

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:

You should put rubbish in the recycling ___________.

A. bin      

B. sea      

C. soil      

D. air