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: Hedgehogs give birth to one to ____ babies which are born with the spines just below the skin.

SOLUTION: seven

PROBLEM: Most litters contain two to ____ kittens.

SOLUTION: four

PROBLEM: Oblates also work in missions throughout the world, on all ____ continents.

SOLUTION:
six