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

Q: Monarch caterpillars have _ pairs of tentacles.

A: two
****
Q: Healthy people can donate blood as often as once every _ weeks.

A: eight
****
Q: Stags are prized for trophy hunts as their impressive antlers can have up to _ tines.

A:
eight
****