Rewrite the sentences adding's or'to the subjects
1The four girls desks.
2Maria book.
3Mishael and ruby classroom.
4The two boys dictionaries.
5Susan poster.
6Ben and Joe'CD player.
7The students classroom.
8My two sisters books.
9Our friend house

1. The four girls' desks.
2. Maria's book.
3. Michael's and Ruby's classroom.
4. The two boys' dictionaries.
5. Susan's poster.
6. Ben's and Joe's CD player.
7. The students' classroom.
8. My two sisters' books.
9. Our friend's house.