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Answer:
Practice and determination.
According to this paragraph, I would say that the tone is sad and informal. It could be considered sad because of her personal experience. How she also felt when her first boyfriend left her for another girl.
Best wishes!
The right answer is "B. McGovern, Joe. "Our Lady of Chaos." Entertainment Weekly. 32-33. Print. 13 May 2016
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Explanation: In order to refer to articles published in magazines, the order of the elements consists of author of the article, title of the article, title of the journal, special number, if any, place of publication, volume number, initial and final pages of the article, month or equivalent) and year (of the article or special number).