Idioms

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Across
  1. 5. been in seventh heaven
  2. 7. once in a blue moon
  3. 10. heavens open
  4. 11. all wet
  5. 12. be on thin ice
Down
  1. 1. 24/7
  2. 2. smoke like a chimney
  3. 3. safe as houses
  4. 4. in the dark
  5. 6. raining cats and dogs
  6. 8. a straight arrow
  7. 9. put my face on