Please re-write the following nouns with the correct demostrativo where the blank is.
1. _______ cuadro (this painting)
2. _______ cuadro (that painting)
3. _______ casa (that house)
4. _______ mesas (those tables)
5. _______ libros (these books)
6. _______ ventana (this window)
7. _______ perro (this dog)
8. _______ cena (that dinner)