Birthday Crossword

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Across
  1. 2. zero-calorie protest (4)
  2. 5. musical scale (3)
  3. 7. think(over) (4)
  4. 8. vine fruit (5)
Down
  1. 1. Scottish-born inventor of the telephone (4)
  2. 3. Christmas carol start (4)
  3. 4. "batman" director (3)
  4. 6. Worker's respite, usually (7)