题目内容:
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:
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.