TASK DEFINITION: Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
PROBLEM: Young bees spend the first ____ to three weeks of their lives carrying out functions within the hive.

SOLUTION: one

PROBLEM: Animals exhibit ____ patterns for bringing sperm and eggs together.

SOLUTION: two

PROBLEM: Bicycles generate less friction because they have only ____ tires.

SOLUTION:
two