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]: Merlin is about five and ____ half inches long.
[A]: one


[Q]: Weight is proportionate to body volume, measured in ____ dimensions.
[A]: three


[Q]: Termites live in large colonies of cooperating individuals of ____ different castes.
[A]:
three