Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[Q]: Respiratory therapists complete two to ____ years of education.
[A]: four


[Q]: Coho usually live for ____ years and grow rapidly in their final year.
[A]: three


[Q]: Some litters have no runts while others have ____ or more.
[A]:
one