Câu hỏi:

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

A. on      

B. off      

C. up     

D. down

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: Choose the letter A, B, C or D to complete the sentences with given words

If/ you/ see/ used bottle/ road, what/ you/ do?

A. If you see an used bottle in the road, what will you do?

B. If you see an used bottle in the road, what do you do?

C. If you see a used bottle in the road, what will you do?

D. If you see a used bottle in the road, what do you do?

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

A. energy      

B. food      

C. water      

Câu 5:

No/ house/ street/ older/ this one.

A. No house on the street is older than this house.

B. No house on the street is the older this house.

C. No house in the street is older this house

D. No house in the street is more old than this house

Câu 6: Choose the letter A, B, C or D to complete the sentences

If we continue to deforest, our earth ___________ polluted.

A.  

B. is      

C. will be      

D. was