选择合适的句子,补全对话
A. How can we get there?
B. Good idea. C. We must stop and wait. D. Thank you.
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Amy: Sarah, let's go to the science museum after school.
Sarah:
Amy: We can go by bike. Look at my new helmet.
Sarah: Wow, it's beautiful!
Amy: Let's go.
Sarah: It's a red light now.
Amy: Oh, right! I must pay attention to the traffic lights!