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: Most ducks acquire breeding plumage in the fall, ____ or seven months before other birds.

SOLUTION: six

PROBLEM: Dholes are highly social animals and live in packs of about ____ dogs.

SOLUTION: ten

PROBLEM: Most computers have ____ to four slots to hold memory.

SOLUTION:
two