instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Babies can range in age from newborn up to _ years old.
answer:
three


question:
Mice are fertile animals because female mice come into heat every _ to five days.
answer:
four


question:
Otters are fast, flexible swimmers and can remain underwater _ minutes or perhaps longer.
answer:

five