Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers.
   Basement      Brick      Bunk bed      Chimney      Curtains      Recreation room      Two-storey house   
1. (of a building) having two floors or levels;
2. a structure through which smoke or steam is carried up away from fire;
3. a tough material for building houses;
4. a piece of cloth that is hung to cover a window;
5. one or two beds that are fixed together, one above the other;
6. a place for relaxation and rest;
7. a place for storage under the house.