THI crossword

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Across
  1. 3. vital for health
  2. 5. who you need to explain it for
  3. 7. a bad thing
  4. 8. see 6D
Down
  1. 1. our second favorite word
  2. 2. very important thing to have
  3. 4. our favorite word
  4. 6. see 8A