写一封英文感谢信,主要说明你的一个朋友在你生病的时候来看你,你很感谢他,希望他每天过得好.再把大体内容扩充一下 ,

Dear ×××,(:)

I'm sorry to have taken so long to write you a letter. I have been grateful to you for visiting me when I was hopitalized . I get well now , so you don't need to worry me any more . By the way,winter is coming soon. The weather is colder and colder,you must take good care of yourself.I really felt grateful to your visit.Please accept my
appreciation from the botton of my heart.
I have to stop now . Because I have to have a rest now.
At last , I hope you can be happy every single day.
Hope you are healthy!
yours,
×××

Dear XX,
thank you for your stopping by while i was sick,i really appreciate it,how are you these days? i wish you doing well,have a wonderful day!
Yours, XX