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: Rabbits have a total of ____ teeth rather than four, as is characteristic of rodents.

SOLUTION: six

PROBLEM: Deer mice have four toes on the forefeet and ____ toes on the hind feet.

SOLUTION: five

PROBLEM: Hoppers begin egg laying one to ____ weeks after reaching the adult stage.

SOLUTION:
three