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：在缺词处加一个漏字符号（∧）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。
There was a time when my sister was very sad. She used to be a happy girl but was one of the top student in her class. But she lost her left leg in an accident when she is in high school. She was taken hospital and stayed for a long time. Feel very sad, she shut her in her room and refused to communicate with others. All of us were worried about her. One day she learned about a girl whom didn't lose heart though she lost her leg in an earthquake. My sister was deep moved. She had decided to forget the terrible experience and face her life bravely. Now she is living the happy life.
