DearMr/MsXXX：
TodayI'mwritingtoyoutoaskforafive-dayleave,forI'vegotcoldlastnightwithcarlessness.
Thismorningmymothertookmetoseethedoctor,whotoldmetostayinbedforsomedays.SoIamverysorrytobeabsentfromschool,especiallyyourinterestinglessons.I'llbesuretomakeupforthemissedlessonsafterIrecoverfromtheillness.
Yoursever,
XXX.