I . Fill the blanks according to what you hear. Self-Driving Car Kills Pedestrian A self-driving Uber car that was part of a 1 project hit and killed a pedestrian in Arizona this week. Neither the car nor the human safety driver 2 for the woman who was pushing her bike on the 3 . This is the first known fatality 4 by a self-driving car in the US. Experts believe the sensors did not 5 that the 6 was a person, since the woman was pushing a bike that was carrying bags. Uber and a few other companies have 7 their driverless fleet as investigators 8 who or what is at fault. II . Open question: 1. Can you tell the greatest invention in the world so far? 2. What’s your expectation for car in the future?