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: Some species live for as little as ____ months.

SOLUTION: six

PROBLEM: Dinoflagellates are photosynthetic creatures surrounded by ____ separate membranes.

SOLUTION:
three