英语 六年级 选择题 标准

情态动词must/mustn't表达交通规则 — 英语选择题

译林版·英语(三起) Unit 3 Road safety AI 三重审校通过

题目
When you see the red light at the crossing, which of the following is the correct rule? A. You must cross the road. B. You must stop and wait. C. You mustn't stop. D. You mustn't wait.