This is How You Do a Crossword Puzzle

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Across
  1. 4. you are sitting on it right now
  2. 5. your crossword puzzle is on this right now
  3. 6. you put water in it so you can drink it later
  4. 9. the teacher in the classroom
  5. 10. the subject you are learning now
Down
  1. 1. the teacher downstairs
  2. 2. it's green and yellow and says Acorn on it
  3. 3. this is the kind of puzzle you are doing now
  4. 7. you use this when you make a mistake with a pencil
  5. 8. you often use this when you write