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]: Seismologists offer ____ major theories for the occurrence of large, deep earthquakes.
[A]: three


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


[Q]: Some infectious diseases have ____ treatments that work well.
[A]:
no