1. (2021三上·东海期中) 选择合适的单词完成下列句子，将其序号填在对应的横线上

A. father  B. brother  C. mother  D. sister  E. grandma  F. grandpa

1. （1） His(他的)father is my father. He's my.
3. （2） Her(她的) mother is my mother, She's my .
5. （3） He's my father's father. He's my.
7. （4） She's my mother's mother. She's my .
9. （5） Her mother is my grandma. She's my.
11. （6） He's my sister's father. He's my.