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]: Some clouds are so thick and dense that ____ stars can shine through.
[A]: no


[Q]: Wind is renewable, and produces ____ emissions or by-products.
[A]: no


[Q]: Knives also have a razor-sharp edge and are up to ____ and a half inches long.
[A]:
three