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: Early childhood refers to the time period between birth and ____ years of age.

SOLUTION: eight

PROBLEM: Most insects have one or ____ pairs of wings.

SOLUTION: two

PROBLEM: Scorpions also have ____ legs.

SOLUTION:
eight