[解析]
M:Hey,Jannie,where are you going?
W:To the library.
M:There is a music concert in Victoria Park at 4:00.Do you want to go?
W:Yes,Professor Darwin's lecture is canceled.I'm free this evening.
M:Great.The band plays pretty good music.For the last three years,I have never missed it.
W:How long ago did the band start playing in the park?
M:I think it was five years ago.Every year they arrive the first week of July and play for a week.You're sure to enjoy this evening.There will be good country music.
W:My favorite is rock and roll,but I have to say that country music can be quite beautiful sometimes.
M:I like all kinds of music,especially jazz.Oh,Jannie,we have to go now.
W:Why?There's plenty of time.
M:Many people are heading to the park.The traffic will be terrible.
W:All right,but I have to return these books first.
M:Okay,I'll be waiting for you at the bus station.