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.

[EX Q]: Mosquitoes live ____ to eight weeks.
[EX A]: four

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

[EX Q]: Reptiles often possess at least ____ pigments.
[EX A]:
two