TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Asbestos is the name applied to _ naturally occurring minerals that are mined from the earth.

SOLUTION: six

PROBLEM: Bacteria acquire genes conferring resistance in any of _ ways.

SOLUTION: three

PROBLEM: Smokers can lower their risk by stopping three weeks before surgery and _ weeks after.

SOLUTION:
three