感恩老师的英语书信
Subject:AHeartfeltLetterofGratitudetoMyTeacherDear[Teacher'sName],Ihopethisletterfindsyouingoodhealthandhighspirits.IthasbeenalongtimesinceIlastwrotetoyou,butthegratitudeIfeeltowardsyouhasonlygrownwitheachpassingday.Therefore,Ifeltitwasnecessarytoput