instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Plazas have _ accumulations of rubbish but are covered with even layers of mud bricks and plaster.
answer:
no


question:
Most children overcome bed wetting between the ages of _ and ten.
answer:
six


question:
Sexual maturity is reached at about _ years.
answer:

three