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

A: ten
****
Q: Human malaria is caused by ____ species of Plasmodium . .

A: four
****
Q: Males mature sexually as soon as ____ years of age.

A:
two
****