crossword teach me to spell

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Across
  1. 3. An uproar
  2. 4. A soldier
  3. 7. A recording
  4. 8. A communication device
Down
  1. 1. The author of a poem
  2. 2. Only certain foods
  3. 4. An instrument that has keys
  4. 5. Remains of a structure
  5. 6. A journal
  6. 9. A theory