Răspuns:
15.
1. the boys – dogs → the boys' dogs
2. the chair – the leg → the leg of the chair
3. Sally – the hat → Sally's hat
4. the men – the coats → the coats of the men
5. the house – the roof → the roof of the house
6. Tony and Mary – bicycles → Tony and Mary's bicycles
7. the book – the cover → the cover of the book
8. Ben and Steve – room → Ben and Steve's room