- 問題詳情:MrChenwaspuzzled(閒惑的)andalittlesuspicious(懷疑的).Hesatintheofficeandstudiedaletterapparently(明顯地)fromMrsWang,themotherofoneofthepupilsinhisclass.Therewassomethingaboutitwhichworriedhim.“Idon'tunderstand,”hesaidtohimself.Heshookhisheadashe...
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