假如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∧，并在此符号下面写出该加的词。
删除：把多余的词用斜线\划掉。
修改: 在错词下面划一横线，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处不计分。
Fang Tong, an actor, director and teacher of Beijing Opera Theatre, who is 34 years old. Most of his students are from other part of China and have come to Beijing at an age of sixteen or seventeen. He hopes create an environment for his students that it is much more relaxing than the one he used to study in. He thought that an actor should relax himself when performing. Yet his students deep respect him and he never needs to raise his voice in order to be hearing. For his opinion, actors should go on even when they feel they have made a mistake in their performances because the moment is already gone but people can never be back to it. So art is always changing and developing.