Unit 填词游戏

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Across
  1. 3. A venue displaying exhibits about natural laws, experiments and technological inventions
  2. 4. A public facility for sending letters, parcels and buying stamps
  3. 5. A venue for screening motion pictures with public seating
Down
  1. 1. A retail shop selling various printed works and reading materials
  2. 2. A medical facility with professional staff to treat illness and injury