—Hi, Mrs. Green! How was your trip to the United States?
—It was wonderful!   
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—I was there for half a month..
—Great! 
—Yes, it’s a glamorous and exciting city.
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—The city is the main business and cultural centre in the Midwest. It’s famous for its music opera and theatres as well as for its excellent museums.
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Yes, sure. What would you like to know?