假定英语课上老师要求同桌之间交换修改作文，诸你修改你同桌写的以下作文。文中共有10处语言错误.毎句中最多有两处。每处错谋仅涉及一个单词的増加、删除或修改。
填加：在缺词处加一个編字符号（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，并在该词下面写岀修改后的词。
注意：1毎处错误及其修改均仅限一词；2只允许修改10处，多者，从11处起不计分。
Dear Tim,
I know you are fond of sports but I'm glad to tell you that my school will start a table tennis club. I am writing to invite you to join it.
As we knew,playing table tennis are good for health. To start with,when you play table tennis,you have to run back and forth to catch ball, which works off your energetic and keeps you healthy.Secondly,they can improve your balance and keep on your brain sharp.Besides,it is a good chance for you to developing friendship with others who show the same interests in table tennis.
1 will be greatly pleasing if you accept my invitation .Looking forward to receiving your early reply.

Yours,

Li Hua