- 问题详情:Inmanybigcities,alotofoldpeoplekeepbirds,cats,dogsandotheranimalsintheirhouses.Theseanimalsarefriendlytotheoldpeopleandneverleavethem.Sotheoldpeoplelovethemandseethemastheirgoodfriendsorfamilies.It’snotdifficulttokeeptheselovelyanimalsathome...
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