Choose the correct ending.
1 My uncle is my
a father's brother.
2 My grandmother is my
a father's mother.
3 My niece is my
a daughter's sister.
4 My cousin is my
a son's uncle.
5 My grandson is my
a daughter's son.
b brother's father.
b. mother's father.
b sister's daughter.
b uncle's son.
b son's daughter.