- 問題詳情:Anoldgentlemanwholivesafewdoorsawayfrommecanalwaysbeseenwithabag.Hegoesoutbyhimselfandpicksupplasticbottles,plasticbagsandpiecesofpapereverywhere.Hedoesitallcarefullyandnevercomplains.Thechildreninthenearbyschoolareprobablyresponsibleforsomeo...
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