假定你是李华，你的英国朋友Leslie作为交换生来到你校学习。得知他对中国书法（calligraphy）很感兴趣，你写信给他推荐你校举办的书法学习班。内容包括：
1. 表示欢迎。
2. 介绍该书法课程（如时间、地点、内容和执教者等）。
3. 邀请他参加该课程。
Dear Leslie,
I'm delighted that you're coming to China as an exchange student. I'm writing to convey my warm welcome.
I know you show great interest in Chinese calligraphy, so I'd like to recommend a course in calligraphy offered by our school. Calligraphy is the art of producing beautiful writing using brushes, which is not only a technique for writing Chinese characters but also a way to bring people inner peace. The course is given by Mr. Chen, who is experienced in this field and popular with students. It's given at 9a.m. every Saturday in school library and is especially suitable for beginners, for Mr. Chen will teach the basic skills in calligraphy.
Why not attend this course? I'm sure you will fall in love with calligraphy if you attend it and have a glimpse of the abundant traditional Chinese culture.
Yours,
Li Hua
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