假定英语课上老师要求同桌中间交换修改作文，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，每处错误仅涉及一个单词的增加、删除或修改。
增加：把缺词处叫个漏字符号（∧），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。
Dear Liu Hong,
I am glad to receive your letter. I’m get on well with my research works in the lab. To my surprise, you say you will give up learn English. The reason is that you have lost interesting. I’m afraid I can’t agree to you. Well, it is not easy to learn English well, but English is widely used today and it will be important tool in the future. Beside, it is becoming more and more important in their daily life. Which is known to us, it will become more and more important to master English. If you study hard, and you will succeed. Keep trying. Long to hear from you.
Yours,
Li Hua