English work

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Across
  1. 3. to disappear completely
  2. 7. a person who fails to fulfil a duty
  3. 8. a bird
  4. 9. try hard to do or achieve something
  5. 10. all of the people born and living at the same time
Down
  1. 1. the action of hiding something
  2. 2. to totally bewilder
  3. 4. strange and unfamiliar
  4. 5. treat with cruelty
  5. 6. to have a chat with someone