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]: Viceroys produce ____ generations per year, and the food habits of each generation differs.
[A]: three


[Q]: Gibberellins are diterpenoids derived from four isoprenoid units forming a system of ____ rings.
[A]: four


[Q]: Eagles have between ____ and three eggs per year .
[A]:
one