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: Millipedes have ____ pairs of legs on each body segment.

A: two
****
Q: Autism affects ____ times as many males as it does females.

A: three
****
Q: Taxonomists recognize up to ____ species of burdock.

A:
eight
****