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

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

[EX Q]: Postpartum blues are common during the _ months after childbirth.
[EX A]: three

[EX Q]: Women are _ times as likely as men to be affected with gallstone .
[EX A]:
four