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]: R is an average of the color rendering ability of ____ or more specific colors.
[A]: eight


[Q]: Most species have four toes, ____ of which are forward-pointing.
[A]: three


[Q]: Young females can mate when only ____ months old and give birth when four months old.
[A]:
three