Unit 4 Road safety同步练习一、汉译英。1.马路安全_ 2.许多繁忙的马路 _3.在城市里_ 4.寻找_5.安全穿过马路_ 6.斑马线_ 7.交通灯_ 8.等候_9.绿灯_ 10.红灯_ 二、根据句意及首字母或中文提示,完成句子。1. We can see a lot of traffic l_ in the street.2. You cant go now. You must wait for the g_ man.3. Its not_(安全的)to cross the road now.