spelling really really really really hard

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Across
  1. 2. 7 I have a name that is very
  2. 3. 9 I have very good blood that is
  3. 5. 4 his excuse was
  4. 6. 6 I am very
  5. 9. 8 the plants need
  6. 10. 3 monsters are
Down
  1. 1. 1 I am so good at
  2. 4. 5 the work is hard
  3. 7. 10 chlorine will act as a
  4. 8. 2 this is a anciet