Dr. Who: Borrowed time

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Across
  1. 1. The act of picking crops
  2. 4. To take something from someone and not give it back
  3. 7. Someone who betrays his people for his own good
  4. 8. A place where people store their money
  5. 9. A form of time that is not certain right now
  6. 10. Someone who works at a hospital
  7. 11. Extraterestial life
Down
  1. 2. A safe place where something important is stored
  2. 3. A place to buy something
  3. 5. Something many people wear on their wrists
  4. 6. To take something from someone and give it back to them after some time
  5. 7. Something we all have