Câu hỏi:

We can find noise pollution __________ most cities.

A. of      

B. on      

C. to      

D. in

Câu 1:

They use ________ plastic bottles to keep water.

A. refillable     

B. natural      

C. polluting      

D. charitable

Câu 2: 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 3: 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 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. effect      

B. pollution      

C. invite      

D. charity

Câu 5:

Do you know what ___________ water pollution?

A. caused      

B. causing      

C. to cause      

D. causes

Câu 6: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. energy     

B. environment     

C. deforestation     

D. exchange