补全对话
A: Is this your ____ photo?
B: Yes. This is my grandfather ____ this is my grandmother.
A: Are these your____ ?
B: Yes, ____ are. This is my father and this is my mother. Look! This is my ____ . She is my father's sister.
A: Is this your ____ ?
B: Yes, ____ is my father's brother.
A: Is the girl your sister?
B: No, she is my ____ . She is my aunt's daughter.
A: Is the ____ your brother?
B: No, he is my cousin, too (也) . He is my uncle's ____ .