Choose the correct articles

1. [A|An]
   economist.
2. [A|An] notebook.
3. [A|An] driver.
4. [A|An] pupil.
5. [A|An] table.
6. [A|An] atlas.
7. [A|An] teacher.
8. [A|An] classroom.
9. [A|An] school.
10. [A|An] apple.