TASK DEFINITION: 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.
PROBLEM: Tobacco companies account for ____ of the five biggest billboard advertisers in the country.

SOLUTION: four

PROBLEM: Women are ____ times more likely to have bone thinning than men.

SOLUTION: four

PROBLEM: Servals can purr and have a high pitched cry usually repeated ____ or eight times in succession.

SOLUTION:
seven