Vocabulary unit3-4

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Across
  1. 6. difficult
  2. 7. device
  3. 9. vanish
  4. 10. teacher at university
Down
  1. 1. things people said
  2. 2. promise
  3. 3. one hundred years
  4. 4. take part
  5. 5. a place where showing pictures
  6. 8. middle