Thank you for your letter.I'd like to make friends with you..But my English is not very well,so pardon me please !最后一句一般不这样直接翻译，可以委婉一点改成so wish for your teaching.
谢谢你的来信,我很想和你做朋友!我的英语不是很好!请你谅解! I'm grateful for receiving your letter, I'd (I would) really like to be friends with you. However, please pardon me for my poor English.（用pardon比较好，因为forgive是当你犯错的时候用的，这里并没有。）
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