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.
--------
Question: Ozone leaves ____ by-products except pure oxygen.

Answer: no


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

Answer: one


Question: Most crustaceans have ____ pairs of limbs.

Answer:
five