There are ... posters in the bedroom.
some
There is ... armchair in the living room.
an
There are ... chairs in the dining room.
some
There aren't ... lights in the kitchen.
any
Is there ... carpet in the living room?
a
There are ... cookies on the kitchen table.
some
There isn't ... wardrobe in the bedroom.
a
There are ... tomatoes in the fridge.
some
There isn't ... desk in the bedroom.
a
There aren't ... lamps in the bedroom.
any
There is ... window in the kitchen.
a
Are there ... suitcases in the attic?
any
There aren't ... toilets in the bedroom.
any