instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Mental illness affects _ out of four families in America.
answer:
one


question:
Monarch caterpillars have _ pairs of tentacles.
answer:
two


question:
Osteoporosis often has _ symptoms until the sufferer breaks a hip, a wrist or a bone in the spine.
answer:

no