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: Malaria kills up to ____ million people each year.

Answer: two


Question: Lions stand ____ feet tall at the shoulders.

Answer: three


Question: Howlers live in family groups of from ____ to twenty.

Answer:
five