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Help the time traveler complete his mission log. Select the correct option for each blank.
I arrived _________________________ 1999, right before the new millennium.
Unfortunately, my time machine broke down _________________________ New Year's Eve.
I finally managed to fix the engine _________________________ midnight.

I arrived in 1999, right before the new millennium.
Unfortunately, my time machine broke down on New Year's Eve.
I finally managed to fix the engine at midnight.

Grammar Rules:

  • Use in for years (e.g., in 1999).
  • Use on for specific days or holidays with the word "Day" or "Eve" (e.g., on New Year's Eve).
  • Use at for specific times of day, including specific terms like noon and midnight (e.g., at midnight).
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