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.

Box turtles are mature and capable of mating at ____ years old.
five

Most dens are oval shape, six to nine feet long and about ____ feet in height and width.
six

Some cultures yield ____ or six species, and they are assigned consecutive letters.

five

