阅读理解。Wecanseesomeoverheadbridges(天桥)inNanningCity.There...
问题详情：阅读理解。Wecanseesomeoverheadbridges(天桥)inNanningCity.ThereisoneoverChaoyangRoad.AnotherisnearPeople’sPark.Asweallknow,itisnotsafetocrossabusyroad.Thesebridgescanhelppeoplecrosstheroadssaf...