不知道你要用第几人称写这篇作文,以下为第一人称:
As an exchange student, I came to Beijing to join in the "Experience China" activity.
During this activity, I studied with my classmates and learned from one another, and I took part in some activities of the school clubs. I have learned a lot about Chinese culture and history. What a good time I have had here!
Thank the teachers and classmates for their help.
参考资料:英语牛人团