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Across
  1. 3. v) to do the same as
  2. 4. n) a large open building where people watch sports
  3. 5. n) someone who designs buildings and machines
  4. 6. adj.) sad and having no energy
  5. 7. adj.) having no end
Down
  1. 1. adj.) working hard and completing a lot of work
  2. 2. adj.) put together in a smart and simple way
  3. 5. n) a sudden dangerous situation