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

[EX Q]: Birds bitten by infected mosquitoes are infectious from _ to eight days.
[EX A]: four

[EX Q]: Relative wealth affects the market in _ ways.
[EX A]: two

[EX Q]: Some alternative antibiotics require _ doses per day for ten days.
[EX A]:
three