New year's first!

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Across
  1. 2. Preparing for a Christmas dinnner takes a lot of time and energy, so it can be really .... .
  2. 4. As the head of department, I have to ........ that everyone gets their bonus at the end of the year.
  3. 6. Zsolt received one ..... of magnitude more vaccinations than the usual citizen.
Down
  1. 1. Obviously, all their actions followed the law, they made only ........ decisions.
  2. 3. "I think, .... the long run, learning is worth it."
  3. 5. My friend is really good at maths. He ...... at maths.