Cloze words and expressions

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Across
  1. 1. willing to give
  2. 3. to show sth is true
  3. 4. used only for a short time
  4. 8. give sb the idea for sth
  5. 10. not trust sth
  6. 11. sometimes
  7. 13. something given because of your good job
  8. 14. stop doing one's job because of the age
  9. 15. eager for success
  10. 16. good at learning
Down
  1. 2. deciding casually
  2. 5. feeling of happiness
  3. 6. to be thankful for sth
  4. 7. to recognize sb/sth
  5. 9. that does not change
  6. 12. give most of your time, energy to