假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误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．每处错误及其修改仅限一词。2．只允许修改10处，多者（从第11处起）不计分。

Dear Jack,

Thanks for your kind help while my stay in Britain. With your help, I have made great progresses in my English study.

How is Mr. Richard? I want to know something about her life. I want to keep in touch for him, and unfortunately without his address I can't contact with him. Did you have his e-mail address or telephone number?

Would you like to visit Beijing during summer holiday? You see, Beijing is a very good tourist city, that is well-known for its culture and places of interesting. I can show you around the city then. I am sure you will stay here happy and learn a lot of things.

Yours,

Li Hua