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: Fire occurs any time ____ elements are present - fuel, heat, oxygen and the chemical chain reaction.

A: four
****
Q: Men are ____ times more likely than women to drive after drinking.

A: four
****
Q: Tourism is among the ____ largest industries in each of the western states.

A:
three
****