Unit 4 Road safety同步练习一、按要求写单词。1. slowly(形容词) _ 2.driver(动词) _3.late(反义词) _ 4.who(所有格) _5.she(宾格) _ 6.Tina (所有格) _7.finish(三单) _ 8.easy(副词)_9.safe (名词) _ 10.left (反义词) _二、选择恰当的选项。( ) 1. Running on the road is not _.A. safety B. safe C. safely( ) 2. How can we cross the road_?A. safety