WYesImrequiredtotell的精选

问题详情：  W:Hi,John.M:Hi.Lucy.   16   W:Yes.I'mrequiredtotellastoryinEnglishbeforethelessonbegins.M:Oh,Isee.  17 W:You'reright.Ineedtopracticeonthestagebeforetheyallcome.M:  18  W:Yes...