TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Coho usually live for _ years and grow rapidly in their final year.

SOLUTION: three

PROBLEM: Weasels reaching _ to six years are regarded as fully mature.

SOLUTION: five

PROBLEM: Some vertebrates can survive freezing, but _ vertebrates can survive grinding.

SOLUTION:
no