1 How does Mr. Smith kill his time before the train leaves?  
2 How is the announcement made at the railway station?  
3 Which train does Mr. Smith take?  
4 What happens to the 8:30 train?  
5 Why does the station apologize to the passengers?  
6 Does Mr. Smith become worried when he hears the news? What does he do?  
7 What happens to him when he hears the second announcement?  
8 From which platform will Mr. Smith's train leave?  
9 When will Mr. Smith's train leave the station finally?  
10 Why does Mr. Smith go to Philadelphia?  
　　

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