thank you for your letter.I am glad to hear from you.I am looking forward to hearing from you.Remember me to your...Please write to me soon.best wishes for you.
高一英语作文（书信）
Dear--- ,
I am sorry to hear that you are ill. I hope you will be better.why are you sick? I think you are studying all day long ,and never work out .I want you to take more exercise. It is worth to take exercise. you can study better.
