范文：
Dear Peter,
亲爱的皮特，
I am very glad to tell you something about the Mid-Autumn Festival.The Mid-Autumn Festival is a traditional Chinese folk festival. The Mid-Autumn Festival originated from celestial worship, from the ancient times qiuxi festival evolved from the moon.
我很高兴告诉你一些关于中秋节的事情。中秋节，是中国民间的传统节日。中秋节源自天象崇拜，由上古时代秋夕祭月演变而来。
Since ancient times, the Mid-Autumn Festival has been offering sacrifices to the moon, enjoying the moon, eating moon cakes, playing lanterns, enjoying osmanthus flowers, drinking osmanthus wine and other folk customs, spread to the present, enduring.
中秋节自古便有祭月、赏月、吃月饼、玩花灯、赏桂花、饮桂花酒等民俗，流传至今，经久不息。
The Mid-Autumn Festival to the full moon of reunion, for the sustenance of missing hometown, missing relatives, praying for harvest, happiness, become a rich and colorful, precious cultural heritage.
中秋节以月之圆兆人之团圆，为寄托思念故乡，思念亲人之情，祈盼丰收、幸福，成为丰富多彩、弥足珍贵的文化遗产。
i have received your last letter a few days ago.i am fine here,and i enjoy the life at school.i like cartoon film.last weekend,my friend and me went to saw a cartoon movie together,the movie was call <狮子王>，the small lion bacame a hero in the end.i think cartoon movies can help us remind our childhood and they can bring us lots of joys.