根据汉语提示,用英语写一篇50—60词的寻物启事.

I am Wang Lin.I study in Class 3,Grade 7 in NO.1 Middle School.Today is Jan.6th,2005.When I was on my way to school in the morning,I lost my school bag.There is a pen,some money and many books in it.If you find it,please give me back.My telephone number is 6681732.Thank you very much.