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]: Counterpoint is simply ____ or more melodies played simultaneously.
[A]: two


[Q]: Some alternative antibiotics require ____ doses per day for ten days.
[A]: three


[Q]: Sloths hold onto tree branches with strong, curved claws that are on each of their ____ feet.
[A]:
four