Anelderlycouplelivedfarawayfromtheirchildren.Theynotice...
问题详情：Anelderlycouplelivedfarawayfromtheirchildren.Theynoticedthattheywerebeginningtoforgetmanylittlethingsaroundthehouse.Theywereafraidthatthiscouldbeperilous,asoneofthemmightforgettoturnoffthestov...