a student a teacher a doctor a nurse a boy
a girl a man a woman grandfather grandmother
father mother brother sister hair a head an eye
an ear a nose a mouth
先发4b一二单元,其他的过几天再发（只有4b）
是开心学英语的（等于gogo英语）
a student a teacher a doctor a nurse a boy
a girl a man a woman grandfather grandmother
father mother brother sister hair a head an eye
an ear a nose a mouth
先发4b一二单元,其他的过几天再发（只有4b）