B. Listen to the passage again and answer the following questions. 1. When should you confirm your appointment if you made it long ago? 2. How many minutes ahead of the scheduled time should you arrive and how long should you wait? 3. What should you do if you are delayed on the way to an appointment? 1. __________hours prior to the appointment. 2. 10 minutes and________minutes respectively. 3. Call the _________ and let him know you will be late.