- 問題詳情: Maryworksatafactory.Shestartsworkingateightinthemorning.Shehasabreakatnoonforonehour.Shefinishesworkingatfiveintheafternoon.Atfivethefactorycloses.Everybodygoeshome.Somepeopledrivehome.Someridebikes.Sometakethebus.ButMarywalkshome.Shelikest...
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