q20-fe1fdfd5
0:20
1 ਸਪੀਕਰ
1 ਚੈਪਟਰ
8 ਰੇਖਾ- ਖੰਡ
ਸਪੀਕਰ
ਚੈਪਟਰ
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0:00ਚੈਪਟਰ 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.