Com-pu-ter, te-le-phone, au-to-mo-bile, traf-fic, sen-try, cor-net, real-is-tic, fan-a-tic, rep-et-it-ious, gi-gan-tic
I think those are right, because usually you hyphenate words if they don't fit on one line, and you're supposed to do that after the syllables. But I don't know if you're supposed to have multiple hyphens in one word..I did a hyphen at all syllables. Hope this helps you!
Too much of anything can also be called a flood. Whenever it rains and rains and rains, there's the danger of a flood, a type of disaster where water is out of control. Because a flood is so powerful, people use the word when overwhelmed by other things. ... Words with similar meanings are deluge and overflow.
I'm not good with this stuff, but I'd try summarizing the paper for your closing paragraph. End with a sentence like, "That's why I love summer vacation" if it's about why you like summer vacation. I hope that makes sense!