1. It was evening.
2. It was A warm summer evening.
3. THE evening was very pleasant.
4. Let's meet in THE evening, I'll be very busy in THE afternoon.
5. It was early morning.
6. It snowed at night.
7. We started early in THE morning.
8. Night came, day broke, but there was no sign of the plane.
9. Don't worry, we'll get home before THE sunset.
10. The children were shivering though it was A warm night.