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]: Pacific salmon leave their home stream, swim out to sea and return ____ to six years later to spawn.
[A]: one


[Q]: Kinetic energy consists of ____ types of energies.
[A]: three


[Q]: All passerines have ____ toes on each foot.
[A]:
four