写一篇英语作文60词的假如你是李明,在美国经历了两周的夏令营生活后,即将告别大家回北京：提示visit many pia

I was very glad for the trip,which I visited many places of interest!Without your help,I could not have a good trip as so.Besides thanks for your friend 's help during the trip in America .
To my surprise,my English gets better and better after that.It ioproved my English in deed.
Above all,thank you all the way!
落款什么的没写,希望对你有些帮助.