You've got 3 lamps. They aren't .........
mine
Are they your sofas? - No, they aren't mine. They're .........
yours
I've got a mirror. It's ............
mine
Whose skirt is that? - It's your skirt. It's .........
yours
You've got 6 mats. They're .........
yours
I've got a phone. It isn't ...........
yours
Is this your clock? - Yes, it's ............
mine
Whose shoes are these? - They're my shoes. They're .........
mine