toldhisstudentstogoi的精选

问题详情：完形填空。Aprofessor(教授)toldhisstudentstogointothecityslums(贫民窟)tostudythelifeof200boys.Heaskedthemto 1 reportsabouteachboy’slifeandfuture.Everyoneofthestudentswrote,“Hedoesn’thavean...