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]: Some children start asking questions when they're ____ or five years old.
[A]: four


[Q]: Scotch comes in ____ varieties, grain and malt .
[A]: two


[Q]: Humans have more than ____ senses.
[A]:
five