Which of the following alternatives for the stateme...

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Ano: 2012 Banca: ACAFE Órgão: UNC Prova: ACAFE - 2012 - UNC - Vestibular - Verão - Medicina |
Q1636874 Inglês
Which of the following alternatives for the statement Although this switching system was invented in 1889... (fourth paragraph)is grammatically incorrect?
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