Silent letters

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Across
  1. 1. – To hit a door so someone will open it (silent k).
  2. 3. – To bite or chew something many times (silent g).
  3. 6. – A passage between rows of seats (silent s).
  4. 7. – Quiet and relaxed, not excited (silent l).
Down
  1. 1. – You use this to cut your food (silent k).
  2. 2. – The joint between your hand and your arm (silent w).
  3. 4. – To cover something with paper (silent w).
  4. 5. – A young sheep (silent b).