【正文】
Unit 2 This is my sister.The Third PeriodSection B (1a1d)Warming upFather’s father is ...Father’s mother is ...Father’s sister is ...Father’s brother is ...Uncle’s daughter is ...1a Add the words in the box to the family tree. sister son cousin grandpa mom auntgrandpa grandmadad uncledaughter daughtermom auntson ( ) (brother)( )sister cousin