短文改错。
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。文中共有
10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。
删除：把多余的词用斜线(＼)划掉。
修改：在错的词下画一横线，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。
My hometown is a pretty city, so people there are kind and polite. With coming of spring, grass and
trees, and flowers grew in many colours. In summer, the sea under the blue skies is even more beautiful.
After autumn arrives, the city looks as an old man with leaves fallen from the trees. In winter, a lot of
white birds come to my city for food. I can wait more patiently above the sea for quite a long time. While
they found fish come to the surface, they fly down immediate and catch them without delay. That is my
city, and I love it very much.
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