1. Everyone in our school is very excited, and we hope he wins
<em>Interesting question. Here are the revised sentences, complete with commas (when they are needed).</em>
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<em>After I finished the Chicago Marathon, my legs were tired.</em>
<em>Muhammed Ali was the greatest athlete ever.</em>
<em>My mom told me to clean my room, wash the dishes, and take out the garbage.</em>
<em>I want to listen to my iPod in class, but my teacher won't let me.</em>
<em>If I had the chance, I would change our mascot to a gorilla.</em>
<em>No, I don't want to go to Taco Bell for lunch.</em>
<em>The fireworks were fun to watch.</em>
<em>Marcus Brutus, who was tricked by Cassius, was the last conspirator to stab Caesar.</em>
<em>Antony, thinking the conspirators would kill him, fled after he saw Caesar's dead body.</em>
<span>The purpose of tragedy is to produce catharsis or release of negative emotions from the audience. Within greek tragedies, peripeteia often occurs, which are swift reversals of fortune. Anagnorisis, where a character of the play makes an very important discovery, can have a profound impact on the main character. Ruination typically marks the conclusion of Greek tragedies, with the final act of the protagonist's downfall and failure.</span>