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

[EX Q]: Healthy people can donate blood as often as once every _ weeks.
[EX A]: eight

[EX Q]: Cancer can develop in any of the _ sections of the colon or in the rectum.
[EX A]: four

[EX Q]: Skunks tear out divots of turf that are _ to six inches in diameter.
[EX A]:
three