Поставь апостроф, где это необходимо.

1. Where is the children's mother? - Where is the children's mother?
2. Those are my mothers boots. - Those are my mother's boots.
3. This is those boys room. - This is those boys' room.
4. We are Davids classmates. - We are David's classmates.
5. My parents tickets are on the shelf. - My parents' tickets are on the shelf.
6. My sisters names are Svetlana and Larisa. - My sisters' names are Svetlana and Larisa.
7. Where are that mans suitcases? - Where are that man's suitcases?
8. These are his parents bikes. - These are his parents' bikes.
9. Toms brothers are tall with blue eyes. - Tom's brothers are tall with blue eyes.
10. My mothers brothers are engineers. - My mother's brothers are engineers.
11. Olga and Lenas room is on the first floor. - Olga's and Lena's room is on the first floor.
12. Where are the boys rooms? - Where are the boys' rooms?