TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Triple bonds are _ lines.

SOLUTION: three

PROBLEM: Climatic regions Contrasts between the interior and the coasts produce _ main climatic regions.

SOLUTION: six

PROBLEM: Temporary visas are usually tourist visas good for _ months, though they can be extended.

SOLUTION:
six