Помогите решить. Даю 20 баллов

2a
2. My boyfriend's car is German.
3. His girlfriend's mum is Polish.
4. Do you know Sandra's brother?
5. We live with my wife's parents.
6. Their son's friend earns a lot of money.
7. Is Adam's job dangerous?
8. Susan's uniform is very ugly.
2b
2. parents'
3. woman's
4. Teacher's
5. Barbara's
6. grandparents'
7. Richard's