Dearheadmaster（你没说清楚那我就默认这封信是写给校领导的） 　　MynameisXXX.Ihaveheardabouttherecentactivitytotheoldpeople'shousewhichIhavegreatintrerestinandIwouldliketobeavolunteer.IamapersonwithawarmheartandIliketohelpotherpeople.Iamawarethatsomeofthepeopleintheoldpeople'shousemaynothavetheabilitytomovefreely.Iamveryhappytotakethemonawalkinthegardenonwheelchairs.Icanreadthepaperforpeoplewhocan'tseeverywell.Icanalsohelpandcleantheirrooms.Iamalwaysfreeduringweekends.Ithinkthiswouldbegreatoppotunityandimportantexpereinceformeandmightbeusefulinthefuture.Pleasecontactme. 　　Regards 　　XXX 　　我现写的,120字左右,没有什么难的时态或者词汇,主要讲了你乐于助人,可以去帮老人整理房间,散步,读报纸.周末有空.认为这是一次机会,能够成为宝贵的经验或许对将来有用. 　　望采纳