Hard crossword Holiday

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Across
  1. 2. Swim in the sea.
  2. 5. ballon They are balloons filled with water.
  3. 6. Naval transport.
  4. 7. A green, white and red fruit.
Down
  1. 1. You put it on so as not to burn yourself.
  2. 3. When you don't work where are you?
  3. 4. It starts when the holidays end.