I wonder

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Across
  1. 1. ———- I go to th toilet please?
  2. 2. ——- this can melt, can this do it for too?
  3. 3. ———— makes this cake smell so good?
  4. 6. Another synonym for puzzle, quest
Down
  1. 1. Another synonym for inquisitive,analytical
  2. 3. ———— is the cup floating and how?
  3. 4. Did you ——- a question?
  4. 5. A word that starts with ‘B’ and means confused and suprised