January and Jessica's word puzzle

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Across
  1. 1. To update, or introduce something new
  2. 6. To get involved and affect something
  3. 7. To participate something formally
  4. 8. To give up
  5. 9. spread of viruses and bacteria in our body
  6. 10. What you will do for universities this autumn
  7. 11. Hyposizing
  8. 12. Expecting
  9. 15. Stopping a conversation
Down
  1. 2. To provide a place to live for others
  2. 3. Claiming
  3. 4. Get hurt
  4. 5. To work on something constantly
  5. 6. Cannot be avoided
  6. 8. Properties or nature
  7. 12. Always comes with "domestic"
  8. 13. To describe someone who illiterate
  9. 14. To put something into practice