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: Green energy comes in ____ basic forms.

Answer: two


Question: Female mealybugs have only ____ nymphal stages.

Answer: three


Question: Nymphs pass through ____ stages and reach adulthood by late august.

Answer:
five