Crossword Puzzle 0907 Olivia

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Across
  1. 3. suggestion
  2. 5. to make sth bigger
  3. 7. to say yes
  4. 8. words
  5. 9. right
Down
  1. 1. a tool to look up words
  2. 2. to know
  3. 4. the noun form of the word "difficult"
  4. 6. the rules in a language like changing the form