- 問題詳情:Whenmyson,Mark,wasinthethirdgrade,hesavedallhispocketmoneyforoverthreemonthstobuyholidaypresentsforthoseheloved.ThethirdSaturdayinDecemberMarksaidthathehadmadehislistandhadtwentydollarsinhispocket.Idrovehimtoanearbysupermarket.Markpickedupaha...
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