题目内容：
You have been entertained by your friend Gao Jie when you stayed in Beijing on vacation．Write a letter to him．Your letter should include：1)thank him for entertaining you
2)describe your feeling
3)invite him to visit your hometown
You should write approximately l00 words．Do not sign your name at the end of your letter．Use“Li Ming”instead．You do not need to write the address．
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