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A：Did you finished typing that report?
B:Yes,I did. But I worked late.
A:So it must be a long report I guess.
B:Excatly, 12 pages,I spent three hours on it.
A:By the way,What's the time did you go home?
B:I left office at 9 o'clock. I got home at 10:00.
A: What  did you have for dinner?
B:I sent out for a sandwich and eta at my desk.