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]: Alligator gars have ____ rows of teeth.
[A]: two


[Q]: Carbon is able to bond with up to ____ other elements.
[A]: four


[Q]: Meerkats can have one to seven babies at ____ time .
[A]:
one