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

[EX Q]: Many prosimians have at least _ nipples and produce litters rather than a single offspring.
[EX A]: four

[EX Q]: Most turbines have either two or _ blades.
[EX A]: three

[EX Q]: Divorce affects one out of every _ marriages today.
[EX A]:
four