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]: Some rusts produce up to ____ different spore forms.
[A]: five


[Q]: Rodents contaminate ____ times more food than they eat.
[A]: ten


[Q]: Pathologists study four to ____ years after medical school and their postgraduate training.
[A]:
five