Dear M,
I heard you are sick,I have not seen you for a long time,last summer we went to Hangzhou to play,the beauty of West Lake is still deeply imprinted on my heart.
I hope you recover soon up,my mother is a doctor,she said you can observe the following recommendations::(1)take more exercise; (2)eat healthy food; (3)have more fruit and vegetables; (4)get enough sleep; (5)stay happy.
Can look forward to seeing you soon.
Yours Sincerely
请这位同学写上你自己的英语名字:)