假定英语课上老师要求同桌之间交换修改作文，请你修改你

     假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。作文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏子符号（∧）并在其下面写出该加的词。

删除：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；

      2.只允许修改10处，多者（从第11处起）不计分。

When I was a child, I hoped to live in the city. I think I would be happy there. Now I am living in a city, but I miss my home in countryside. There the air is clean or the mountains are green. Unfortunately, on the development of industrialization, the environment has been polluted. Lots of studies have been shown that global warming has already become a very seriously problem. The airs we breathe in is getting dirtier and dirtier. Much rare animals are dying out. We must found ways to protect your environment. If we fail to do so, we’ll live to regret it.

1.the –a 冠词用法错误。首次出现的名词，用不定冠词a。

2.think –thought 时态用法错误。这里用一般过去时，表示“过去认为”。

3.or—and 连词用法错误。前后句为并列关系，故用连词and。

4.on—with 短语搭配错误。短语with the development of随着……的发展。

5.seriously---serious 词性用法错误。修饰名词，前面用形容词。

6.airs---air 名词用法错误。名词air为不可数名词

7.much---many 名词animal为可数名词，故用many修饰。

8.found---find 动词用法错误。情态动词must后接动词原形。

9. your---our 代词用法错误。这里应当是保护我们的环境。

10.it去掉。代词用法错误。我们将生活在遗憾中。