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.

Q: Divorce affects one out of every ____ marriages today.

A: four
****
Q: Most soils have ____ major horizons.

A: five
****
Q: Arthritis is reported in about ____ fourths of cases.

A:
three
****