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

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


[Q]: Trees can also be air layered but air layering usually takes four to _ months to be successful.
[A]: six


[Q]: Vampires generally are male, and rabies is _ times more frequent in men than in women.
[A]:
seven


