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: Allergic rhinitis is the most common allergic disease, with one in ____ Canadian adults affected.

SOLUTION: five

PROBLEM: Erosion is divided into ____ main categories, water and wind.

SOLUTION: two

PROBLEM: Some desmids contain ____ chloroplasts per cell.

SOLUTION:
two