Ответ:
- Beth is your mum. She’s your dad’s wife.
- Your father’s sister is your aunt.
- Your sister’s daughter is your niece.
- The son of your daughter is your grandson.
- Your uncle’s son is your cousin.
- Your wife’s mother is your mother-in-law.
- The mother of your father’s father is your great-grandmother.
- Your parents are divorced and your mother is married again. Her new husband is your stepfather.
The two unused words are father-in-law and grandmother.
