instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Frozen grafts can have a shelf life of up to _ years.
answer:
five

question:
Women are _ times as likely to develop osteoporosis but men can also develop it.
answer:
four

question:
Twigs are moderate in diameter, brown, with half-round leaf scars with _ bundle scars.
answer:
three