Seonggwang Middle School crossword puzzle

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Across
  1. 4. a straight piece of plastic, wood, or metal that has marks on it
  2. 5. an instrument used for writing and drawing something
  3. 7. a person or thing that teaches something
  4. 9. a room where classes are taught in a school, college, or university
  5. 10. a piece of furniture that is like a table and often has drawers
Down
  1. 1. a seat for one person that has a back and usually four legs
  2. 2. a small piece of rubber or other material that is used to erase something
  3. 3. a smooth, dark surface that is used for writing on with chalk in a classroom — called also (chiefly US) chalkboard
  4. 6. a book with blank pages that is used for writing notes
  5. 8. a device that shows what time it is and that is usually placed in a room or attached to a wall