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]: Plants produce seed at ____ years of age.
[A]: eight


[Q]: Males mature sexually as soon as ____ years of age.
[A]: two


[Q]: Efts leave the water and live on land for one to ____ years.
[A]:
three