TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: House wrens are small birds, four and a half to _ and a four inches in length.

SOLUTION: five

PROBLEM: Dwarf trees are diminutive and shrub-like, reaching _ feet or so at maturity.

SOLUTION: four

PROBLEM: Bacteria acquire genes conferring resistance in any of _ ways.

SOLUTION:
three