Funwithlanguage1Lookandfind1Unit5(1)他/她带领人们，并告诉人们该干些什么。leader(2)她教你新的东西。teacher(3)她创作或者演奏音乐很好...
复习小测拯救，节省________Unit51唯一的______地球、泥土______鲸鱼_____危险_______消失_________永远________制造______污染_________森...
