Now, I want to introduce Bob. He is my pen pal from Newyork. He lives 2 miles away from his school, so he goes to school by bicycle usually,and it spends him 25 minutes. But he has to go to school by bus in rainy days,that will cost him 15 minutes. His parants work in a hospital 3 miles away from their home. They go to work by car, it will take them 30minutes. That's the basic information I got from Bob.
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