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Lê Quỳnh  Anh

 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks .

We are using up the world’s Petroleum. We use (18)_______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20)_______ eat plants. These chemicals go (21)_______ rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______ The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25) _______ desert. Poor people can’t save the environment for the (26) _______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27) _______ the world’s resources.

Điền vào số (18)

 

A. it  

B. them       

C. that        

D. those

Dương Hoàn Anh
10 tháng 4 2018 lúc 5:42

Đáp án là A

it = Petroleum


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