沪教版·英语（2024新版） Unit 7 How do we keep safe on the road? AI 三重审校通过
题目
放学后，小明来到路口。交通信号灯是红灯，他看到几位同学正准备过马路。根据道路安全规则，小明应该对他们说：A. We mustn't wait for the red light. B. We must cross the road now. C. We must wait for the green light. D. We shouldn't stop at the red light.