题目内容

短文改错

A group of scientists were planning to go to countryside to do a scientific research in order to find out that whether the environment of the country had polluted. On arrival, they started to check the air and water. To our surprise, they found how terribly the situation was. They could see the serious pollution. Look into the cause, they persuade the government to pass the law to protect environment and kept the balance of nature. Now everything has changed. Birds are singing while tree and flowers are waving.

1.________  2.________

3.________  4.________

5.________  6.________

7.________  8.________

9.________  10.________

答案:
解析:

  1.to countryside-to the countryside

  2.删掉that

  3.had polluted-had been polluted

  4.our-their

  5.terribly-terrible

  6.Look-Looking

  7.persuade-persuaded

  8.kept-keep

  9.正确

  10.tree-trees


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