Câu hỏi: Choose the letter A, B, C or D to complete the passage below

Air pollution is one of _________ (6) problems of the current time all over the world. There ___________ (7) a lot of reasons for this pollution. First of all, the release of air pollutants such as smog and solid materials cause air pollution and health issues ___________ (8) human. ___________ (9) dirty wastes in big cities are polluting the whole atmospheric air. Thirdly, motor vehicles are releasing polluted gases contributing to the air pollution. Finally, some natural ________ (10) like dust, soil particles, and natural gases are also the source of air pollution.

Question 7

A. are      

B. is      

C. being      

D. be

Câu 1:

Water is used to generate __________.

A.  

B. electricity      

C. money      

D. deforestation

Câu 2:

You should put rubbish in the recycling ___________.

A. bin      

B. sea      

C. soil      

D. air

Câu 3: 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 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:

Charities raise money for people who are ___________ need.

 

A. in      

B. on      

C. at      

D. for

Câu 6:

Do you know what ___________ water pollution?

A. caused      

B. causing      

C. to cause      

D. causes