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: Anapsids have ____ openings in the temporal region of their skull.

Answer: no


Question: Viceroys produce ____ generations per year, and the food habits of each generation differs.

Answer: three


Question: Pit vipers have ____ holes, or pits, on their snouts.

Answer:
two