可适当增加从句和长句的使用;文章词汇表达不够丰富,也请检查文章的单词拼写;上下文衔接手法不熟练,没有能够有效的使用衔接词。
Dear David: I'm glad to know that you will come to Lanzhou for studying Chinese.For you want to know how to learn Chinese,l will talk with you about my felling. In my iponion,firstly,if you want to learn well you should better come to our China and communincate with our Chinese people then you can speak Chinese often.Secondly,studying and writing Chinese words,then read some Chinese books. I hope you coming quickly and l can help you study Chinese. Yours sincerely, Chen Quan