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.

[EX Q]: Animals exhibit ____ patterns for bringing sperm and eggs together.
[EX A]: two

[EX Q]: Allergic rhinitis is the most common allergic disease, with one in ____ Canadian adults affected.
[EX A]: five

[EX Q]: Childcare begins for children who are aged ____ and older.
[EX A]:
two