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]: Arthropods are made up of ____ groups of living animals and one group of extinct animals.
[EX A]: four

[EX Q]: Hedgehogs give birth to one to ____ babies which are born with the spines just below the skin.
[EX A]: seven

[EX Q]: Milk chocolate keeps for about a year and white chocolate for seven or ____ months.
[EX A]:
eight