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]: Women normally have ____ ovaries.
[A]: two


[Q]: Most babies double their birthweight by ____ to five months.
[A]: four


[Q]: Anthrax has ____ separate clinical forms.
[A]:
four