http://digfir-published.macmillanusa.com/video_public_speaking_accessible/video_public_speaking_accessible_ch06.html
Chapter
6. Apologizing for delivery errors (NEEDS IMPROVEMENT)
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http://digfir-published.macmillanusa.com/video_public_speaking_accessible/video_public_speaking_accessible_ch06_dlap.xmlDLAP questions59d5e8f27894d2855e000000