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

[EX Q]: Gerbils get reproductive when they reach sexual maturity at the age of _ months.
[EX A]: three

[EX Q]: Figure skating is like flying, but it's also like climbing hundreds of stairs in _ minutes.
[EX A]: four

[EX Q]: Most eagles find a mate and begin breeding when they are _ years old.
[EX A]:
five