短文写作。
下面是21世纪报中学生版（21st Century School Edition）刊登的一封读者来信，请你以编辑的身份
给这位中学生写封回信。
Dear editor,
I spend most of my time studying. I hardly talk to my classmates. I just don't know what to talk about
and how to begin a conversation.
I feel so lonely. How I wish I had a good friend! Could you give me some advice?
Yours,
John
注意： 1. 回信的内容要包括以下提示要点，适当发挥。
（1）有自信；（2）多微笑；（3）多交流；（4）帮助同学。
2. 词数120左右。信的开头已写好，不计入总词数。
Dear John,
Your problem is a common one among middle school students. Maybe the following advice can help you.
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Yours,
Lily
