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C Now try this: Dr. Collins is a delegate at the conference, and has been attending the sessions on computer-aided building design. This morning he took notes of the discussion he attended. He is leaving the conference today and is booked on the 17:15 plane. He has always wanted to visit Hawaii. Listen to some more authentic versions of the announcements and decide what Dr. Collins will do after he has heard the announcements. Tick all the possible answers. 1. Go to Room 201.