英语短文改错,有10处错误!I've been to china for two years.My friends in

改正在括号处标出,总共十处错误!
I've been (in) China for two years.My friends in England (sometimes) write to me,(asking) me how long I'll stay here,and when I'm thinking (加入of/about) returning home.The answer (to) their questions is simple；I do not know when I will return home.At the moment,I have no reason to return (加入to) England.I like living in China；I enjoy meeting Chinese people and (traveling/travelling) around the country.My work is very (interesting),and there (are) so many things I don't know about China (as) I hope to discover in the future.
注：/ 表示可以任意选用其一.

1.I've been to china for two years:i've been to 是一个非持续性短语，你不可以说“我曾经到过中国”这个状态持续两年.I've been in China for two years.我在中国待了两年了.
2.My friends in English sometime write to me: 我在英国的朋友有时候写信给我，in England...

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I've stayed in China for two years.My friends in England sometimes write to me,asking me how long I'll stay here and when to return home.The answers to their questions are simple:I don't know ...