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.

Finches breed when the female is over one year old and the male is under ____ year old.
five

Most species have ____ toes, three of which are forward-pointing.
four

Breast cancer is the most common cancer among women, affecting ____ in eight females.

one