TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Water is able to diffuse freely between the _ cells.

SOLUTION: two

PROBLEM: Fluoroscopy has _ magnification modes and image capture.

SOLUTION: two

PROBLEM: Perennial grass takes three to _ years before it is mature enough to produce adequate seed.

SOLUTION:
five