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

[EX Q]: Melanocytes are dendritic and are distributed roughly _ per six basal cells.
[EX A]: one

[EX Q]: All children normally wake up four or _ times each night after dreams.
[EX A]: five

[EX Q]: Cheetahs are pregnant for about _ months, and it looked like the breeding took.
[EX A]:
three