亿思绪

A: Did you finish typing that report?
b:Yes , I did. But I worked late.
a: So ,it must be a long report. I guess.
b: Exactiy 12 pages . I spent 3 hours in it.
a:By the way waht time did you go home?
b: I left office at 9 o'clock. I got home at 10
a:What did you have for dinner?
b:I sent out for a sangwich and ate it at my desk