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: Death occurs after ingestion of ____ grams of quinine.

SOLUTION: eight

PROBLEM: Gorillas are sexually mature at ____ to nine years of age.

SOLUTION: six

PROBLEM: Enzymes often work ____ ways, though.

SOLUTION:
two