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

[EX Q]: Perennial grass takes _ to five years before it is mature enough to produce adequate seed.
[EX A]: three

[EX Q]: Muskrats are semi-aquatic and prefer locations with four to _ feet of water.
[EX A]: six

[EX Q]: Ovoid cysts can survive in water for _ to three months.
[EX A]:
one