Добавить запятые куда надо.
1.This is Megans laptop.
2.These are Vickys keys.
3.Those books are my teachers.
4.Where are Boriss friends?
5.Are those sunglasses Ralphs?

1. This is Megan's laptop.2. These are Vicky's keys.3. Those books are my teachers'.4. Where are Boriss's friends?5. Are those sunglasses Ralph's?