Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[EX Q]: Some women experience a labor of three to ____ days.
[EX A]: five

[EX Q]: Most lemmings are ____ to six inches in length and weigh less than four ounces.
[EX A]: three

[EX Q]: Acupuncture is used by about one in ____ general practitioners.
[EX A]:
seven