instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Men are creatures with two legs and _ hands.
answer:
eight


question:
Most people go back to work within _ to three months after having a heart attack.
answer:
one


question:
Ostracods shed their tiny bivalved carapace at least _ times during their growth stages.
answer:

nine