DearXXX, 　　Howareyou?Haven'tseenforalittlewhileandtrustthatyouarewell.IamwritingtoyoujustliketoexpressmygratitudetoyouforhelpingmewithmyEnglish.BeforethatmyEnglishwasreallypoor.Icouldn'tevenreadchildren'sEnglishbooksverywell.Butnow,Icanreadquitealotandcanwritemuchbettertheneverbefore.ThereforeIwouldliketothankyoufromthebottomofmyheartforwhatyouhavedoneforme.Iwishyouwellandlookforwardtohearingfromyousoon. 　　Ahumblestudentofyours, 　　XXX 　　很简短但非常真诚,应该适合,後面的自称若不对,请你自行更正.