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]: Hoatzin has typical foot with ____ toes forwards and one backwards.
[A]: three


[Q]: Some species have more than ____ pairs of walking legs.
[A]: four


[Q]: Most portable extinguishers discharge completely in as few as ____ seconds.
[A]:
eight