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

[Q]: Brown bears grow from six and a half to _ feet long.
[A]: nine


[Q]: Cluster flies are covered with fine golden hairs and have _ stripes on the thorax.
[A]: no


[Q]: Arctiid moths deal with echolocating bats in _ ways.
[A]:
two