What is the teacher's name?

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Across
  1. 3. the largest animal on Earth
  2. 7. a streaming service that offers different TV shows,movies,anime and etc.
Down
  1. 1. a frozen water
  2. 2. a month of the year, after July and before September
  3. 4. a fruit with yellow skin and very sour juice
  4. 5. an online game “____ us”
  5. 6. it’s halloween time. '___ or treat?'