U4 vocabulary

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Across
  1. 4. the act of discovering somebody or something
  2. 6. the feeling of not being happy
  3. 7. related to the jewels
  4. 8. a time when there is a war
Down
  1. 1. the state of feeling bored
  2. 2. from all parts of the world
  3. 3. a book which sells well
  4. 5. which is imagined and not true