While crossword puzzles seem to be the game of choice, they need only sit in an airport or doctor’s office in any city to see how Sudoku is slowly overtaking the popular word game.

Question

*
1 point
no change
it needs
one needs
which need

Answer 1

The best option that maintains clarity and correctness in the sentence is:

"one needs"

So the revised sentence would be:

"While crossword puzzles seem to be the game of choice, one needs only to sit in an airport or doctor’s office in any city to see how Sudoku is slowly overtaking the popular word game."