Que pasa en la clase?

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Across
  1. 1. math
  2. 3. to use
  3. 4. always
  4. 7. the minute
  5. 8. in the night
  6. 10. half past
  7. 13. to arrive
  8. 14. almost
  9. 15. to answer
Down
  1. 2. to have to
  2. 5. many times
  3. 6. to teach
  4. 9. to need
  5. 11. never
  6. 12. spanish
  7. 16. the test
  8. 17. early