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]: All orthodontists are dentists, but only about ____ percent of dentists are orthodontists.
[A]: six


[Q]: Women account for ____ in ten people diagnosed with the disease.
[A]: eight


[Q]: Most children start primary school at about ____ years of age.
[A]:
five