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]: Cosmetics come in ____ types greasy and non-greasy.
[A]: two


[Q]: Mollusks have one or ____ hearts.
[A]: two


[Q]: Deer mice have ____ toes on the forefeet and five toes on the hind feet.
[A]:
four