一篇英语短文.缺词填空
If your mother wants to tell you something,she uses w___1_ .Birds cannot talk a__2__ we do.But some birds have ways to tell their children of d___3___.Jackdaws live in Europe.They live together i__4__ groups.Young jackdaws do not know their enemies.When an old Jackdaw sees a dog,it makes a l_5___ sound.Then young jackdaws know teir enemy is n___6___.Somethings a jackdaw m_7__ be in a
dangerous place.Then one of his parents f__8__ over the young bird from behind.At the same time.the parent calls out Key-aw key –aw The parent m__9___,Fly home with me.The young bird then follows its parent h__10___.