Silent letters

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Across
  1. 3. My friend accidentally hurt their _______
  2. 4. He made a ______ vow to always help those in need
  3. 7. I _____ that the project will finish on time
  4. 8. My _____ started hurting because I hit it
  5. 9. I like to tie strings into ____
Down
  1. 1. The soldiers marched through town in a single ______
  2. 2. my dad was in ____
  3. 3. The ______ duty is to protect the princess
  4. 5. my friends favourite season is ______
  5. 6. My friend went to see a ____ for their birthday