In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[Q]: Mountain zebras can live up to _ days without drinking water.
[A]: three


[Q]: Southern moles are six to _ inches long and weigh three to four ounces.
[A]: seven


[Q]: Cows are pregnant for _ months and are given a rest period from milking between calvings.
[A]:
nine