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]: All Jovian planets have rings around their equators and at least ____ moons.
[EX A]: eight

[EX Q]: Some animals have only ____ or three chambers .
[EX A]: two

[EX Q]: Most chimpanzees spend about ____ hours a day feeding.
[EX A]:
seven