题目内容：

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(Λ)，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。

Not all people like to work and everyone likes to play. All over the world men and woman, boys and girls enjoy sports. Since long ago, many adults and children called their friends together to spend hours, even days play games. One of the reasons why people like to play is that sports help them to live happy. In another words, they help to keep people strong. When people play games, they move a lot. That is how sports are good activities for their health. Having fun with their friends make them delighted. Many people enjoy sports by watching the others play. In big American cities, thousands sell tickets to watch football or basketball games.