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]: Lightning is ____ times hotter than the surface of the sun.
[EX A]: three

[EX Q]: Rhinos are herbivores with barrel shapedbodies, thick legs and feet with ____ toes.
[EX A]: three

[EX Q]: Cells contain ____ families of small organic molecules.
[EX A]:
four