Lesson19: Family,family,This is my family.,father,This is my father.,mother,This is my mother.,mother,father,Liu Xings family,sister,This is my sister.,brother,This is my brother.,1. Open your books and turn（翻到） to page（页） 50. 2.Look at the pictures（图片） and discuss(讨论) with your parter（同桌）. 3.Whose family is it ? 4.How many people（人） in the family? 5.Who are they?,grandfather,grandmother,
