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: Buses are ____ times as fuel efficient as cars.

SOLUTION: five

PROBLEM: Women are ____ times more likely to resort to violence in self-defense.

SOLUTION: seven

PROBLEM: Hares hold their young seven to ____ days longer.

SOLUTION:
ten