假如你是阳光中学的李磊，你在学校网站看到国际学生Stephen的求助信。请根据Stephen信的内容，用英语给Stephen写一封回信，介绍你校图书馆借书的要求和流程。

HELP NEEDED

    I'm Stephen , an international student from Britain .I would like to know how to borrow books from the school library. Should I bring my student's card with me ? How long can I keep a book ? I wonder if you can provide any tips on borrowing books.

    Please email me at Stephen 220@yahoo.com. Thank you!

Stephen

注意：

1）文中不得出现你的真实姓名和学校名称；

2）语言通顺，意思连贯，条理清楚，书写规范；

3）词数90左右，邮件的开头与结尾已经给出，不计入总词数。

Dear Stephen,

    I am writing to tell you how to borrow books from the school library.

Yours faithfully

Li Lei