instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Black widows mature in two to _ months.
answer:
four


question:
Birds begin dying of fowl cholera _ to nine days after exposed to the virus.
answer:
four


question:
Female lemmings give birth to the baby lemmings after a gestation period of around _ weeks.
answer:

three