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0:20 1 Zvočniki 1 Poglavja 8 segmenti
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Zvočniki

Poglavja

  1. 0:00
    Poglavje 1: Number 20. 17s · Speaker 1

    Number 20. When does the keynote speaker's presentation start? A. In the main auditorium. B. It's listed in the event program. C. He's a renowned speaker.