Lily：Boysandgirls,MayIhaveyourattentionPlease!Todayweha...
问题详情：Lily：Boysandgirls,MayIhaveyourattentionPlease!Todaywehaveanhonorableguesthere,ProfessorSmith,__1__comefromtheUSA. ProfessorSmith,couldyoutellushowtostudyEnglishwell?ProfessorSmith：Well,that'sa...