word puzzle

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Across
  1. 3. if you're sick, you need to go there
  2. 6. we can see many interesting things
  3. 7. you can see a film there
  4. 9. you can buy books here
  5. 10. a sign control the traffic
  6. 11. the day after today
Down
  1. 1. a big self-service store
  2. 2. pulled by dogs to go over snow
  3. 4. underground railway
  4. 5. you can have a big meal here
  5. 8. you can send it to friends far away