Iamterriblysorrytotellyouthat_________,andIamwritingthislettertoshowmydeepregret.Pleaseacceptmysincereapologywithgratitude.Ihopeyouwillunderstandmysituationandexcusemefor___________.
Thereasonwhy__________isthat__________.Underthatcircumstance,____________.Therefore,itwasnotmypowerto___________.
Ifpossible,Iwouldliketosuggestthat___________.Ishallbeobligedifyouwillkindlywriteandtellme___________.Iamlookingforwardtoseeingyouagain.