Inventions

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Across
  1. 3. When my teeth are dirty I use a ___?
  2. 5. I can travel on two wheels using a ___?
Down
  1. 1. What the story is mainly about.
  2. 2. My favorite homeroom teacher.
  3. 3. I sit with my family to watch a movie in front of the __?
  4. 4. I carry it in my pocket to call my friends.