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

[EX Q]: Sprouts can grow as much as _ feet per year.
[EX A]: six

[EX Q]: Notebooks are laptop computers that weigh between five and _ pounds.
[EX A]: seven

[EX Q]: Leopard geckos reach sexual maturity at the age of _ to three years.
[EX A]:
one