The only wrong ones is the first on and the last one. The first one you forgot to put a comma after but. The last one you forgot to put a comma after eggs, pancakes, and things. I hope this helps you!
Both had a dream to become a lightweight champion in the world.
An object pronoun takes the place of a (A) noun in the object part of a sentence.
The answer is: "prototype" .
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"<span>When forming a concept, people often develop a best example, or
<u> prototype </u> , of a category."
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A.
In the winter, the town is filled with skiers who come for the beautiful Rocky Mountains