To: William Smith, ManagerFrom: Lucy, WuDate: June 6th, 2019Subject: Sick leaveMr. William,It's very 1 that I have a severe headache today. I think I should go to 2 to see a doctor. So I want to ask for a half day's 3. I'm really sorry that I cannot 4 your class today.I hope you can 5 my leave. Thank you very much!Yours respectfully,Lucy