dear prof。 wang，
i’m writing to ask you to excuse me for not being able to keep our appointment。 i do know that this is very impolite and must have caused you much trouble。
i do reckon that at present any explanation is pale and futile。 however i do not want you to misunderstand me。 on my way to your office， an old lady suddenly fainted due to heart attack on the bus。 i stopped a taxi and sent her into a nearby hospital。 i stayed there until her son came， which spoiled our appointment。
i am aware that our appointment is of importance。 i do hope that you would be kind enough to spare your valuable to meet me。
i am looking forward to hearing from you。
sincerely yours
【道歉信参考文】相关文章：
悼词参考：祭母文03-08
道歉信例文参考01-10
求原谅的道歉信范文参考_道歉信11-24
给客户的道歉信相关模板参考-道歉信01-13
给淘宝客户的道歉信范文参考-道歉信01-07
给小河写的道歉信模板参考-道歉信01-05
给淘宝客户的道歉信范文参考01-15
给买家的道歉信范本参考01-12
一封正式道歉信范本参考11-23
英语道歉信-道歉信01-05