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]: Casinos have ____ windows and they have no clocks.
[A]: no


[Q]: Igneous rock occurs in ____ ways .
[A]: two


[Q]: Acorns require ____ years to mature.
[A]:
two