【正文】
Unit 3 This is my sister. Self Checkgrandfather Family wordsgrandmother grandparentsfathermotherparentsmesisterbrothersFamily treegrandmothergrandfathermother fatherbrothers sistermeFamily treegrandparents爺爺、奶奶father mothergrandparents外公、外婆youVocabulary This is Dave’s family. The man in pink is