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: Cricket usually lays about five eggs, one every other day for ____ days.

A: ten
****
Q: Gene symbols consist of ____ lowercase letters.

A:
three
****