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]: Hawks have ____ toes pointing forward and one pointing backwards.
[A]: three


[Q]: Most health professionals recommend approximately ____ hours of sleep each night.
[A]: eight


[Q]: Eagles attain their adult plumage at four or ____ year of age.
[A]:
five