Simile- <span>My phone slipped through my fingers like butter
Personification- </span><span>The face of my phone had many scars from being dropped
Symbol- </span><span>My phone is my lifeline to the world</span>
All these sentences use the word "so" correctly except "Flies breathe through holes in
<span> their abdomen or thorax, so do bees.</span>" So should either begin a new sentence of be preceded by "and".