问题详情：
假如你是李华，你的朋友Jenny最近因病住院。现在，请你给她写信表达问候，并就如何保持健康提出以下建议：
1．合理膳食； 2．经常锻炼； 3．充足睡眠不熬夜。
注意：1．词数80词左右，信的开头结尾已给出，不计入总词数。
2．可适当增加细节，以使行文连贯。
Dear Jenny,
I’m sorry to hear that ________________________________________________________________________
Yours sincerely,
Li Hua
【回答】
Dear Jenny,
I’m sorry to hear that you are in hospital because you are not feeling well these days. I’m writing to send you my warmest regards and also share with your some tips on how to stay healthy.
A good life style will help you keep fit. First, you’d better keep a balanced diet, eating more fresh vegetables and fruits. Second, taking regular exercise is also important, so try to exercise every day to build up a strong body. And finally, make sure you get enough sleep and never stay up too late at night.
I hope my advice helps and wish you get well soon.
Yours sincerely,
Li Hua
(101 words)
知识点：提纲作文
题型：书面表达
