silent letters

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Across
  1. 2. You should _______ on the door before you enter
  2. 4. the past tense of know
  3. 6. to go up
  4. 11. a tradesman who fixes pipes and leaking taps
  5. 12. He doesn't ______ the answer.
  6. 13. money owed to other people
  7. 14. What is the ________ to the question?
  8. 16. the past tense of write
Down
  1. 1. to use your feet to move
  2. 2. in the middle of your leg
  3. 3. a baby sheep
  4. 5. to cover
  5. 7. arms and legs, or branches of a tree
  6. 8. suspicion
  7. 9. the part of the body which joins the arm to the hand
  8. 10. use this to brush your hair
  9. 12. a cutting tool
  10. 15. the opposite of right