instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Cockroaches require food every _ to ten days but mut take in water every ten days.
answer:
seven


question:
Least weasels breed one to _ times per year, depending on prey density.
answer:
three


question:
Antibiotic therapy is usually necessary for up to _ weeks to control infection.
answer:

three