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: Ostriches come in at least ____ breeds.

Answer: two


Question: China has about one in ____ of all smokers in the world.

Answer: four


Question: High stress has the highest pitch, about ____ notes above a vowel without a stress mark.

Answer:
four