沪教版·英语 Unit 7 How do we keep safe on the road? AI 三重审校通过
题目
选择合适的词填空,将序号填在横线上。(备选词:A. look B. cross C. stop)\nAt the zebra crossing(斑马线), first we should ___ left and right. When there are no cars, we can ___ the road. If the light is red, we must ___.