DearSirorMadam:DearMrLi/MissLi/MrsLi,
Ibegtoapplyfortwodays’leave/aweek’sleave/7days’leaveofabsence(请假)fromthe7thto8thofthisweek.BecauseIwasill,Iwanttoreturn/gohometoseethedoctor.
Tosupportmyapplication,Iherewith/enclosethesickleavecertificate.
Ishouldbeverymuchobligedifyouwillgrantmemyapplication.Asregardsthelessontobemissedduringmyabsence,IwilldomybesttomakethemupassoonasIgetbackfromleave.
Yoursrespectfully,LiMin