DearMrSmith
IamsosorryaboutthatIdidn'tvisityouyesterday.Iamexpecttingyoucanforgiveme.Yesterday,myfriendLiHonggotabadcold,andnobodycantakecareofher.SoIhavetolookafterherandnothavetimetomeetyou.Butibeliveyoucanmakesenseofme.BecauseIamlosedaimportantappointment，Ifeelverysad.Canwehaveanothermeet?Iwanttostudyfromyouverymuch.
Lookingforwardtohearingfromyou.
Yous,
LiHua
此致
敬礼
xxxxx
xxxxxx年x月