Odpowiedź :
My friend"s schools
My cousin”s houses
The girl”s hairs
The teacher”s books
My cousin”s houses
The girl”s hairs
The teacher”s books
Odpowiedź:
1. My friend's school, My friends' school
2. My cousin's house, My cousins' house
3. The girl's hair, The girls' hair
4. The teacher's books, The teachers' books