I have invented a ballon that ____ high in the sky and that can ____ people. I got the idea when I threw some pieces of paper into the fireplace and watched them float ____. I began performing ____ and came to the ____ that heat had the power to ____ things. The first balloon was made from paper and ____. On the first ____ we put animals in the basket. Shortly afterwards, the king gave us ____ to send men in the ballon.

3a

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