玉罕儿

a:did you finish the typing that report?
b:yes, i did.but worked too late.
a: it must be a long report , i guess.
b:exactly.12pages. i spent 3hours on it .
a:by the way , what time did you go home?
b:l left the office at 9 o'clock,i got home at 10.
a:what did have for dinner?
b:i sent out a sanwich, i ate it at my desk.