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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。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。
My older brother is lazy. Half a month before,
he bought a pair of white trousers. After he wore the trousers for a week, it became
dirty. But he didn't want to spend a lot of time washed them, so he kept them in
water with any other clothes including a red T-shirt. So next day, when my brother
started to wash the clothes, and he found his new white trousers had become red.
He could not longer wear them, and he had to buy a new pair. But he didn't have
much money, so he felt sadly. This story tells us that being lazy was not good.
I hope my brother can learn a good lesson about this experience.
