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]: Phoenix is a city where about one in ____ residents are from an emerging ethnic group.
[A]: four


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


[Q]: Doctors say the average adult needs seven to ____ hours of sleep a night.
[A]:
nine