英语作文帮改语法错误

英语作文帮改语法错误
Dear Mr.Smith,
I'm Li Min.Due to rain,I have a cold and is sneezing and
coughing.Unfortunately,I have to go to hospitalchecking and injection.I 'm
begging you to approve one day leave for me tomorrow.Today's homework,I'll
send lisa give it to you at tomorrow morning.Tomorrow's homework ,I'll
let lisa told me after school ,I'll hand over to you personally at the
day after tomorrow morning.
Yours respectfully
Li Min
我再补一篇，请诸位点评一下。I'm sorry that I shall be unable to attend the English class this morning due to a bad headache.I beg to apply for three day's leave from 20th to 22th.As for the homework I missed,I will do my best to make up and hand them in by e-mail.Yours respectfully Li Min