2. There is/there isn't a desk.
3. There is/there isn't a wardrobe.
4. There are/there aren't pictures on the wall.
5. There is/there isn't an armchair.
6. There are/there aren't books on the bookcase.
7. There is/there isn't a table.
8. There are/there aren't cupboards.
Sper că te-am ajutat! =)