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

[EX Q]: Babies usually wet the diaper at least _ times each day.
[EX A]: six

[EX Q]: Triple bonds are _ lines.
[EX A]: three

[EX Q]: Epithelial cells come in _ shapes, squamous, cuboidal or columnar.
[EX A]:
three