Choose the correct articles

1. [A|An] beautiful tower.
2. [A|An] town.
3. [A|An] artist.
4. [A|An] interesting place.
5. [A|An] historical building.
6. [A|An] old church.
7. [A|An] eraser.
8. [A|An] tourist.
9. [A|An] museum.
10. [A|An] uncountable noun.