Monday

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Across
  1. 3. engage in physical activity to sustain or improve health and fitness.
  2. 5. an incident or event.
  3. 7. be exceptionally good at or proficient in an activity or subject.
  4. 9. an incident or event.
  5. 10. a sound or sounds caused by the reflection of sound waves from a surface back to the listener.
Down
  1. 1. present or existing from the beginning; first or earliest.
  2. 2. occurring again periodically or repeatedly.
  3. 4. the point or place where something begins, arises, or is derived.
  4. 6. very good, outstanding
  5. 8. abandon or leave.