1）回顾双方的交流活动（如学习、生活、体育、文艺等方面）；
2）谈谈收获或感想；
3）表达祝愿与期望。
注意：1）词数100左右；
2）可适当加入细节，使内容充实、行文连贯；
3）开头和结尾已给出，不计入总词数。
Dear friends,
How time flies!
Thank you.
Yours,
Li Hua
How time flies! Two weeks have passed since you came to our school for the exchange program, which we all have benefited from. During these two weeks, we have studied and lived together, which gives us the opportunity to promote our frien
