1:I'sorryI'vebeensoslowinansweringyourletter. 　　2:Ihavethepleasure(honor)toinform(tell)youthat. 　　3;Imustapologizeformydelayinansweringyouletter. 　　4;Iwasreallysurprisedtogetyourletteryesterday. 　　5;Itwasnicetohearfromyouagain. 　　6;Iwassorrytohear(say)that. 　　7;Thankyoufortellingmeabout... 　　8;Ihastentowriteyouafewlines. 　　9;Pleaseexcusethisveryshortnote. 　　10;Iamgladtohearofyoucontinuedsuccess. 　　11:AsIhavenotheardfromyouforlong,Ifellanxious. 　　12;Iwouldhavewrittentoyoubefore,butIhadsomanythingsthatIhavenothadonemomenttomyself. 　　13:Iamverygladtohearthatyouareallenjoyinggoodhealth. 　　14:Youkindletteraffordedmemuchpleasure. 　　15;Iamobligedforyourpromptandgratifyingreply. 　　16;Weareveryhappytosaythatweareallinthefullenjoymentofhealth. 　　17;ItwasgoodtohearfromyouandIshallbeverypleasedtoletyouhavetheinformationyouneed. 　　18;I'mverypleasedtohearthateverythingisgoingsowellandifIcanhelpinanyotherway,doletmeknow. 　　19;Wehaveenjoyedhearingfromyou.