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.

[EX Q]: Ground squirrels have a single litter a year that averages from ____ to nine young.
[EX A]: four

[EX Q]: Rabbits have a total of ____ teeth rather than four, as is characteristic of rodents.
[EX A]: six

[EX Q]: Ozone is made of ____ atoms of oxygen.
[EX A]:
three