下列文中共有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。
　   Fang Tong is 34 years old, an actor, director and teacher of Beijing Opera
Theatre. Most of his students are from other part of  China and have come to Beijing at
a very young 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 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.