Ch for sh and Tricky wirds

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Across
  1. 5. too much
  2. 7. to keep fit
  3. 9. not the same
  4. 11. like an engine
  5. 12. sufficient
Down
  1. 1. gone
  2. 2. like a magazine
  3. 3. a wooden house
  4. 4. not easy
  5. 6. a science investigation
  6. 8. doing or seeing or feeling something
  7. 10. someone who cooks food