Unit9They’rehappydogs.happyunhappy开心的不开心的clean干净的dirty脏的dry干的wet湿的hungrythirsty饥饿的口渴的cleandirtydrywethappyunhappyhungrythirsty干的湿的开心的不开心的干净的脏的饥饿的口渴的\hungryThey'rehungrydogs.unhappyThey'reunhappydogs.cleanThey'recleandogs.wetThey'rewetdogs.Stop,Dan!Kim!Comeback!That'smyball.It'smyball.Oh,Dan!Kim!You'redirty!Wearen'tdirty.Wearen'tclean.Look!Theyaren'thappydogs.No!We'reunhappyandwet.We'redry.Butwe'rehungryandthirsty.They'rehappydogs.That'sall!