1 . 假定你是李华，在一位名叫Sad Mother的学生家长的博客上，你看到如下内容。请根据博客内容、写作要点和要求，用英语给这位家长回复。
I’m the mother of a fifteen-year-old freshman. Recently I have found that my daughter stays up at night using mobile phones secretly. The other day her teacher called and told me that my daughter recently feels sleepy in class. What should I do?
写作要点：1.表明了解她的问题：   2.提出三条建议。
要求： 1.词数80左右;   
2.可以适当增加细节，以使行文连贯;   
3.书写需清晰、工整。
Dear Sad Mother,
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Yours truthfully,

Li Hua