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.
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Question: Cats have five toes on their front paws, but only ____ touch the ground when walking.

Answer: four


Question: Nymphs go through ____ instars and a pupa stage before reaching adulthood.

Answer: three


Question: Edges Usually refers to the ____ outside edges of the pages of a book.

Answer:
three