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]: Sponges are subdivided into ____ classes.
[A]: three


[Q]: Substance abusers have ____ hundred percent higher medical costs and benefits.
[A]: three


[Q]: Cassowaries have ____ toes on each foot .
[A]:
three