Unit1Laughterisgoodforyou话题语言应用——大笑宜人巩固练习一、单项选择1.Johnwaslateforthebusinessmeetingbecausehisflighthadbeen________byaheavystorm.A.keptB.stoppedC.slowedD.delayed2.Whenthechildrenheardthe________story,theywere________halftodeath.A.scary;frighteningB.frightening;scaredC.scared;scaryD.frightened;frightening3.Heisgenerally_________tohavethefinestcollectionofDutchpaintings...