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.

[EX Q]: Marsupials have ____ vaginas and a double uterus.
[EX A]: two

[EX Q]: Taiwanese law permits a jail term of up to ____ years for spreading computer viruses.
[EX A]: three

[EX Q]: Carbohydrates contain ____ calories per gram while fat contains nine calories per gram.
[EX A]:
four