TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Roundworms are fairly large worms that can grow to be _ or five inches long.

SOLUTION: four

PROBLEM: Most polyps cause no symptoms and take five to _ years to change to cancer.

SOLUTION: seven

PROBLEM: Smokers run _ times the risk of sudden death compared with non-smokers.

SOLUTION:
three