8BU3 crosswords

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Across
  1. 3. of very high quality and serving as a standard
  2. 8. a public show of music, dance, acting, etc.
  3. 9. to mix or join things together
  4. 10. the main subject or idea of a work of art, book, etc.
Down
  1. 1. a person who is very skilled at something
  2. 2. harm or injury that makes something less useful or valuable
  3. 4. at a high level of development or knowledge
  4. 5. something that tells you about a possible danger
  5. 6. a person who is admired for their brave actions
  6. 7. a space or opening between two things