Question

6.She is my sister's mother's mother. A:_______she your_______? B:No,she's_______

Answer 1

6.She is my sister's mother's mother. A:（Is）she your（grandmother）? B:No,she's（ not）

Answer 2

Is she your mother？
No,she's my grandmother。

Answer 3

is
grandmother
grandma

Answer 4

is mother grandmother