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.
--------
Question: Cognitive changes are probably equivalent to about a three to ____ month delay in progression.

Answer: six


Question: Some rusts produce up to ____ different spore forms.

Answer: five


Question: Artificial nectar ferments quickly, in one to ____ days.

Answer:
two