- 问题详情:Anelderlycouplelivedfarawayfromtheirchildren.Theynoticedthattheywerebeginningtoforgetmanylittlethingsaroundthehouse.Theywereafraidthatthiscouldbeperilous,asoneofthemmightforgettoturnoffthestove(火炉)andthuscauseafire.Theyweresoworriedthattheyde...
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