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(\)划掉。

修改：在错的词下画一横线，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。

Dear Tom,

    Time flies! What is everything going? I'm writing to tell you that a lecture about Tea Making, which is part of Chinese tradition culture, is to be hold in our school. The lecture will begin at 8: 30 am and end at 11: 30am next Tuesday in the lecture hall in our school. It will given by Professor Li, who is an expert for Tea Making, and you can ask me any question about Tea Making after the lecture. To make the best use of this chance, you need to get good prepared. First, you'd better get some informations about Tea Making ahead of time. Second, please take a notebook and put down what interest you most. I hope you will enjoy in the lecture.

Yours,

Li Hua