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: Pigs grow very quickly and are normally ready for sale at ____ to six months of age.

SOLUTION: four

PROBLEM: China has about one in ____ of all smokers in the world.

SOLUTION: four

PROBLEM: Some care providers begin contraceptives as early as ____ days postpartum, or as late as four weeks.

SOLUTION:
five