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.

[EX Q]: Most children recover completely in ____ to three months.
[EX A]: two

[EX Q]: Most dens are oval shape, six to ____ feet long and about six feet in height and width.
[EX A]: nine

[EX Q]: Some botanists recognise ____ botanical varieties.
[EX A]:
two