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: 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

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

A. energy      

B. president      

C. electricity     

D. decorate

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. charity     

B. natural      

C. classmate      

D. exchange

Câu 5: 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 6: 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 6

A. serious     

B. more serious     

C. the most serious      

D. serious than