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