Complete the crossword for words with soft c

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Across
  1. 4. last month of the year
  2. 6. move around
  3. 9. an ordinary person not in the armed forces
  4. 10. a tank to hold water as in a toilet
Down
  1. 1. to do with computers, the internet or online world
  2. 2. do something happy to mark a special day
  3. 3. very good exceptional
  4. 5. a special piece of paper to say what you achieved
  5. 7. a special service at an event such as a wedding
  6. 8. something happens by mistake