:
It is this cla( unit ) students ( staff) ， ( etiology ) need to rest， now leave days， and approval for the sense of!
Sincerely yours，
Salute
Respected leaders:
Hello! Because I was ill， unable to adhere to continue to work， so leave， please approve!
Sincerely yours
Salute
Dear Miss Chen,
I am ( ),I am so sorry to tell you that I have got a bad cold with headache,tiredness,inappetency and insomnia.My doctor advised me that I need a rest for 2 or 3days,so I ask for leave for 2 or 3days untill I am fine.
Thank you for your time and have a nice day.
Dear ( name):
I was cold headache， need to take a day off， going out to see a doctor.
Teachers hope to approval
Student.
Year，
month and day