题目

选词填空 face   allow   likely   avoid   fail     When people talk about the future, we like to think that we will be able to drive out of our garages and take to the skies in our own personal flying car. The advantages are obvious. Some people predict this technology  complete freedom of movement. We could fly at 480 kilometres per hour,traffic lights, busy roads and speeding tickets. However, some people point to the disadvantages of flying cars. They say that there are certain to be problems with traffic control. Another big problem is engine. What will happen if the car goes wrong? Also, if they become popular, there is  to be another big problem: air traffic jam. So we may find flying cars  with more than a few problems if they are to get off the ground! 答案：【1】will allow【2】avoiding【3】failure【4】likely【5】faced

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