TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Diatoms are in _ shells and make the water brown.

SOLUTION: two

PROBLEM: Some manatees have _ or four nails on the tip of each flipper.

SOLUTION: three

PROBLEM: Cricket usually lays about five eggs, one every other day for _ days.

SOLUTION:
ten