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.

Q: Avian kidneys have ____ kinds of nephrons.

A: two
****
Q: Adult clothing is worth about ____ percent of retail and children's clothing a little more.

A: ten
****
Q: Ticks begin as eggs and hatch into the ____ legged larval form.

A:
six
****