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A. people on bikes must wear one. B. I often come to school by bike. C. How do you come to school? D. pay attention to the traffic lights! E. Don't go at the red light! |
Mike:
Amy: I usually come to school on foot. What about you?
Mike:
Amy: What's this? A helmet?
Mike: Yes, In the USA
Amy: I see. Do you know any traffic rules?
Mike: Of course.
Amy: Great! We must
