It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
I think the correct answer from the choices listed above is option C. The best revision that removes the informal language from the passage would be to change only sentence 2 to "This class has given me the opportunity to build skills such as answering phones professionally and using spreadsheets and databases."
Answer: Yes this is true.
Explanation:
He fought like a lion ... A simile is a sentence that compares one thing to another ... So it has to have both things that are being referred to, like "he" and "lion", where the way the person is fighting can be compared to the fighting of a lion. But you need to remember that a simile has the word "like" or "as" ... Otherwise it cannot be a simile, it would be a metaphor ... I hope this was helpful ...
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