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: Cockroaches have six legs, ____ antennae and some have wings.

Answer: two

Question: Hares hold their young ____ to ten days longer.

Answer: seven

Question: Pups are unable to swim or find food until seven to ____ weeks old or until the ice melts.

Answer:
eight