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

[Q]: Allergic rhinitis is the most common allergic disease, with one in _ Canadian adults affected.
[A]: five


[Q]: Blood pressure is really _ measurements, systolic and diastolic.
[A]: two


[Q]: Most people stay three or _ years, sometimes five or six years.
[A]:
four