Lesson 9

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Across
  1. 1. an unoccupied position or job.; empty space.
  2. 2. a person evacuated from a place of danger to somewhere safe.
  3. 6. treat (a person or animal) with a vaccine to produce immunity to a particular infectious disease or pathogen.
Down
  1. 1. leave
  2. 3. an extended period of leisure and recreation, especially one spent away from home or in traveling.
  3. 4. remove (someone) from a place of danger to a safer place
  4. 5. a space entirely devoid of matter.