q20-fe1fdfd5

0:20 1 Luidsprekere 1 Hoofstukke 8 segmente

Luidsprekere

Hoofstukke

  1. 0:00
    Hoofstuk 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.