5、段的问题:1.AreSuHaiandBenclassmates?2.DoesSuHaihaveatwinsister?3.Dotheylookthesame?4.Whoistaller,SuHaiorSuYang?5.WhoistwentyminutesyoungerthanSuHai?教师校对词组。教师从旁协助。教师出示关键词:Sunday Su Hai Ben cousin glad satdownclassmate cousin twinsister SuYang sameastallas tallerthan youn