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]: Every human being carries six to ____ abnormal recessive genes.
[A]: eight


[Q]: Ozone leaves ____ by-products except pure oxygen.
[A]: no


[Q]: Dark chocolate contains more than ____ times more cancer-fighting antioxidants than tea by weight.
[A]:
three