Varya's crossword

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Across
  1. 3. Cats and nice are ...
  2. 6. Can you turn the music up, please. It's playing very ...
  3. 7. This is a big wild animal which lives in Africa.\
Down
  1. 1. Teacher get ... when children are chatting during the lesson.
  2. 2. Maths is difficult or ... for many students.
  3. 4. Turtles walk ...
  4. 5. The opposite of "day".