Ответ:

There is a armchair in the room.

There is a shelf in the room.

There are painting in the room.

There is a lamp in the room.

There are drawers in the room.

There is a wardrobe in the room.

There is a desk in the room.

There is a bookcase in the room.

There are books in the bookcase.

There is a fireplace in the room.

There is a chair in the room.

Объяснение:

Вспомогательный глагол is употребляется в единственном числе а are во множественном