<span>4.Tragedy can cause people who are enemies to forgive each other.</span>
<em>Interesting question. Here are the revised sentences, complete with commas (when they are needed).</em>
<em />
<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>
The correct answer should be locate basic information.
When you are doing the preliminary research, you are just reading through a bunch of sources and information that you may or may not use while writing. You still aren't deciding which exact sources you are actually going to use, but rather just trying to find them and later on make that decision during another stage of writing.
