Hello!
I'd say that the mood of this excerpt is suspenseful.
First of all, the setting is during the night, and this centers around a man by himself on patrol and hearing footsteps drawing near. Passages like this would usually create a feeling of anticipation for what's going to happen next.
Hope I helped! :3
<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>
<em>Once the pollen grain is recognized and hydrated, the pollen grain germinates to grow a pollen tube. There is competition in this step as many pollen grains may compete to reach the egg. The stigma plays a role in guiding the sperm to a receptive ovule, in the case of many ovules.</em>
<em>#</em><em>p</em><em>g</em><em>l</em><em>u</em><em>b</em><em>e</em><em>s</em><em>t</em><em>i</em><em>e</em><em>h</em><em>e</em><em>r</em><em>e</em>
We need the passage in order to know what author's POV is
