TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Tobacco kills four million people a year, one death every _ seconds.

SOLUTION: eight

PROBLEM: Digoxin works in _ ways.

SOLUTION: two

PROBLEM: Some researchers indicate that one out of _ young people have had sex by the age of thirteen.

SOLUTION:
five