来自李致远的问题
PSAsareoftenrunforfree,_____toeducatepeopleabouthealth,safety,oranyotherproblemthataffectspublicwelfare.[]A.meaningB.meantC.tomeanD.havingmeant
PSAsareoftenrunforfree,_____toeducatepeopleabouthealth,safety,oranyotherproblemthat
affectspublicwelfare.[ ]
A.meaning
B.meant
C.tomean
D.havingmeant
