Whose pencil is this?
This is my pencil. (It's mine.)
Whose ruler is this?
This is my ruler. (It's mine.)
Whose pencil is this?
This is my pencil. (It's mine.)
Whose bag is this?
This is my bag/backpack. (It's mine.)
Whose eraser is this?
This is my eraser. (It's mine.)
Whose book is this?
This is my book. (It's mine.)
Whose eraser is this?
This is my eraser. (It's mine.)
Whose book is this?
This is my book. (It's mine.)
Whose ruler is this?
This is my ruler. (It's mine.)