- 問題詳情:Thepostofficehasplentyofworktodo.Ithandles(處理)thousandsofletterseveryday.Let’sfollowaletterallthewayacrossAmerica.JulielivesinNewYork.ShewrotealettertoDave.DavelivesinOregon.Julieputtheletterinthemailbox(郵箱)onMondaynight.OnTuesdaymorning...
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