Solve the crossword by filling in the correct word based on the clues provided.

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Across
  1. 4. An official document that allows you to travel to a foreign country. (7 letters)
  2. 7. A person who is always optimistic and expects good things to happen. (9 letters)
  3. 8. The act of protecting something from loss or damage. (10 letters)
  4. 9. To take part in an activity or event. (11 letters)
  5. 10. A person who regularly watches or attends a show, sports event, or performance. (9 letters)
Down
  1. 1. A synonym for ‘complicated’ or ‘difficult to understand’. (9 letters)
  2. 2. Someone who takes part in a competition. (11 letters)
  3. 3. To express disagreement with something, especially formally. (6 letters)
  4. 5. A building where valuable objects such as paintings and sculptures are kept and displayed. (6 letters)
  5. 6. A person who writes articles for newspapers or magazines. (9 letters)
  6. 11. A feeling of worry or nervousness about something that might happen. (7 letters)