It's no window, no door and no floor. What is it?

It's no window, no door and no floor. What is it? no door ,no window What room has no walls ,no door,no window,and no floors? There is a room,it no windows ,no door,no bed and nothing in no matter what is it. Is it( )eraser?No,it's not( ). is the cat ____ yje wall ? no ,it isn't .it's ____the door. （ ）Tom's Tom,look()the dog behind the door Is it yous?No,it( ___!What's that?is it ___UFO.NO,It's___kite.what color is it What has no arms,no legs,and still goes form place?It’s a . “It's really no... It's no