A Strange Discovery

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Across
  1. 3. One day about noon, I was walking on the ___________________.
  2. 5. How had that ___________________ got there?
  3. 8. I built the second wall using all the spare ___________________ that I had.
  4. 9. I decided that it must be some ___________________ from the mainland.
Down
  1. 1. I was ___________________ to see the print of a man's bare foot in the sand.
  2. 2. I resolved to do ___________________ things.
  3. 4. First of all I would ___________________ the defences around my home.
  4. 6. Secondly, I wanted to protect my ___________________.
  5. 7. I was very ___________________ that they had not seen me.
  6. 9. What ___________________ had come to the island?