______peoplehelpedwi的精选

问题详情：______peoplehelpedwiththeClean-upDaylastyear?A.Howmuch      B.Howoften         C.Howmany      D.Howfar【回答】*：C解析：根据句意，去年多少人参加了“清洁日”活动?Howmany多少，后面...