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]: Carbon atoms are tetravalent, and therefore, can have ____ bonding pairs around each carbon atom.
[EX A]: four

[EX Q]: Some nurseries only take children aged ____ years and over.
[EX A]: two

[EX Q]: Lambs are hidden for the first ____ days after birth.
[EX A]:
two