Choose the correct articles

1. At
   [the|a|an|—]
   beginning.
2. In
   [the|a|an|—]
   hurry.
3. At
   [the|a|an|—]
   last.
4. At
   [the|a|an|—]
   moment.
5. By
   [the|a|an|—]
   way.
6. [The|A|An|—]
   only child.
7. To get to
   [the|a|an|—]
   point.
8. By
   [the|a|an|—]
   chance.
9. To take
   [the|a|an|—]
   break.
10. In
    [the|a|an|—] face of.
11. [A|An|—]
    face to
    [a|an|—] face.
12. As
    [the|a|an|—] matter of
    [a|an|—] fact.
13. In
    [the|a|an|—] morning.
14. To go to
    [a|an|—] school.
15. On
    [the|a|an|—] left.
16. Out of
    [a|an|—] order.
17. For
    [the|a|an|—]long time.
18. To play
    [the|a|an|—] piano.
19. In
    [a|an|—] advance.
20. To have
    [the|a|an|—] good time.
21. Under
    [the|a|an|—]weather.