根据句意及首字母提示填空。
1. Mum, here is my good f_____.
2. Look at this p_____ of my family.
3. My pen friend is c_____ here next week.
4. My a_____ is my father or mother's sister.
5. Your father or mother's brother is your u_____.
6. Your aunt's son is your c_____.
7. You and your sister are your parents' son and d_____.
