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
问题：
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：在缺词处加一个漏词符号（），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。
become ours members. You can help people in many ways. Some schools need volunteers to help take the care of children. Volunteers are needed in hospitals help the patients. Animal lovers can help save dogs and cats
without homes. There is nothing for everyone."I often played computer games when I was freely before. Now
I help old people learn to use computers," said a volunteer aged 18. Unless everyone helps out a bit, we'll all have better and warmer world to live in.
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