Câu hỏi:

Do you know what ___________ water pollution?

A. caused      

B. causing      

C. to cause      

D. causes

Câu 1: 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 2: 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 3: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. recycle      

B. happy     

C. study     

D. windy

Câu 4: 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 5:

You should put rubbish in the recycling ___________.

A. bin      

B. sea      

C. soil      

D. air

Câu 6:

soil/ I/ do/ on/ pollution/ will/ a/ survey.

A. I will do a survey on soil pollution.

B. I will do soil pollution on a survey.

C. I will survey a do on soil pollution.

D.