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: Some rusts produce up to ____ different spore forms.

SOLUTION: five

PROBLEM: Object permanence is seen in children ____ to twelve months old .

SOLUTION: eight

PROBLEM: Alligators mature at the age of ten to twelve and are ____ feet long.

SOLUTION:
six