牙痛不能上课的英文请假条

Maths 1st Year,

Class 1 April 10, Year

To Department Office

Ms. Smith,

Owing to a severe toothache, I am unable to attend classes today. I now submit a medical certificate issued by the doctor. /I enclose a medical certificate from the doctor.

Hoping you will excuse my non-attendance.

Yours respectfully,

Li Ming