Dialogue B By Train or By Air?
Zhao: Hello, Tom. Do you often travel during your vacation? Tom: Yes. I like traveling. How about you, Zhao? Zhao: Me, too. Do you travel by train or by air? Tom: I quite enjoy flying, but it's too expensive. Zhao: I'd rather take a train. It's safe. Tom: Safe? Yeah. But don't you think it's too slow?
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