"A. You know, of course, that she used to dive for her college swim team." does not have any errors in comma usage. "Of course" is almost always surrounded by commas.
<span>For singular words that end in s, ss, sh, ch, x, or z, letters ES are added to make them plural
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The answer is D, insight.
Answer:
a, drones are most often used for photography
An appositive phrase modifies the subject of a sentence and is usually separated from the rest of the sentence using commas.
In this sentence, the appositive is one of Jupiter's moons.
