Lesson 7 ①

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Across
  1. 5. finding something new
  2. 6. the ability to make lucky discoveries by accident
  3. 9. a problem that slows progress
  4. 10. a machine that keeps food cold
  5. 11. the power to do something
  6. 12. lasting forever
  7. 13. a new idea or invention
  8. 15. the act of taking something away
  9. 16. not planned or predicted
Down
  1. 1. a sudden good idea
  2. 2. a group of people who sing together
  3. 3. the former name of Sri Lanka
  4. 4. a substance used to stick things together
  5. 7. a test to discover something
  6. 8. lack of success
  7. 12. a son of a king
  8. 14. injured, especially in war