One of us is lying (ch.1-4)

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Across
  1. 4. to have a wide smile on your face
  2. 5. a large party for US students at the end of the school year
  3. 6. an amount of time when a criminal must behave well
  4. 8. when girlfriends/boyfriends meet and go out together
  5. 9. to destroy sth. or make sth. go wrong
Down
  1. 1. a person who has done a crime
  2. 2. to become or make better
  3. 3. to ask sb. a lot of questions
  4. 7. stop seeing your girlfriend or boyfriend