unit20

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Across
  1. 2. n. a teacher of sports
  2. 6. v. to keep going and not stop
  3. 7. phrasal v. to stop trying
Down
  1. 1. phrasal v. to laugh in an unkind way
  2. 3. v. to train your body
  3. 4. v. to become a member of something
  4. 5. adj. not strong
  5. 7. n. an indoor place to exercise