下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
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 Mr. Black,
I’m Li Hua, an exchange student from China. I had been studying in your school for a year. I am deep moved by the kindness of people around. What I want to say first is that the teachers here are very friendly. They do what they can help me and encourage me to study hard. Whenever asking, they give satisfactory answers. Beside, my classmates offer me a lot of help, either. We get on well to each other and I have made quite a few good friend. At home, Walter’s parents take good care of me, treating to me as if I were their own child.
I’m so grateful to all these people, with their help I have been accustomed to American culture and gained a lot of knowledge.
Best wishes!
Yours,
Li Hua