ExercisesContentsDownloadsUNIT 8: CARS, ROADS AND TRAFFIC 汽车、道路与交通Question 1 / 21请完成全部题目,最后查看答案与解析VOCABULARY · B2 Exercise 1 · Exercise 1Choose the correct option for each gap.To avoid an accident, the driver had to quickly switch to another _____.AroundaboutBDUICcrosswalkDlane保存并进入下一题 →