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]: Object permanence is seen in children ____ to twelve months old .
[A]: eight


[Q]: Copper has ____ naturally occurring isotopes.
[A]: two


[Q]: Participles have ____ functions in sentences.
[A]:
three