- 问题详情:Lily:Boysandgirls,MayIhaveyourattentionPlease!Todaywehaveanhonorableguesthere,ProfessorSmith,__1__comefromtheUSA. ProfessorSmith,couldyoutellushowtostudyEnglishwell?ProfessorSmith:Well,that'saverybroadtopic.Lily:OK,Isee.So__2__ofall,howshouldw...
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