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]: Most species have ____ toes, three of which are forward-pointing.
[A]: four

[Q]: Many bilingual people grow up speaking ____ languages.
[A]: two

[Q]: Female sturgeon spawn only every ____ to seven years.
[A]:
four