增加：在缺词处加一个漏词符号(∧)，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限一词;
2．只允许修改10处，多者(从第11处起)不计分。
Dear Mr Smith,
I'm Li Hua, a student from Yu Cai Middle School, whom you helped me during my preparation for the English speech contest last month. So I'm writing to express my grateful.
Your classes were unforgettable, that not only could I learn much knowledge on speech but I had a lot of funs. You were always listen to my speech carefully no matter what many mistakes I made. Above all, you helped me to correct these mistakes with patience. With your kind help, I couldn't have got the first prize.
What a hugely influence you had on me. I'm determining to work hard at my study in order be a useful person who can make a contribution to our country and society.
Yours,
Li Hua
