Dogsareverysociable(合群的)animals.Whenownersgooutandleave...
問題詳情：Dogsareverysociable(合群的)animals.Whenownersgooutandleavetheirdogsalone,thedogsgetworriedandupset.Dogsshouldbetrainedtobetheirownwhilestillyounginsteadofwhentheyareolderandsetintheirways.When...