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: Presidential elections take place every ____ years.

A: four
****
Q: Women have about ____ times as many foot problems as men.

A: four
****
Q: Cleavage is perfect in ____ directions forming rhombs.

A:
three
****