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。
The ancient Olympic Games began in a year 776 BC. They held at Olympia in Greece every four years, for almost 12 centuries, until AD 394. In the ancient Olympics, by tradition the athletes were all men but they had to compete wearing no clothes. Today, both male and female athletes from around the world can take part, no matter whatever nation they come from. Chinese athletes have great contributed to the Olympic Games where many of them won gold medals, such as Xu Haifeng, Deng Yaping and Liu Xiang, the first Asian to winning the gold medal in the men's 110-meter hurdles. The whole of China must have felt pride of them when they won. There are some of the Olympic athletes who they have brought joy to people across the world with their attempt to push the boundaries of human achievement.
