2009 四川 第 54 题 单选题 区分题 2009_省自主命题(四川) 54. What is FHWA’s suggestion to states? A. Fixing more traffic lights.B. Providing more crosswalks.C. Giving pedestrians more time to cross streets.D. Increasing the time before the orange lights appear. 参考答案C ☆ 收藏不会,直接看解析查看原卷 →