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: Gorillas are sexually mature at ____ to nine years of age.

SOLUTION: six

PROBLEM: Alcohol content is ____ to three times more than beer.

SOLUTION: two

PROBLEM: Most people change careers at least ____ times in their work life and have several different jobs.

SOLUTION:
three