【答案解析】[听力原文]
M: Do you want to see a film tonight?
W: I can"t. I have to review my lessons.
M: Are you having a test tomorrow?
W: Yes. We"re having our mid-term test.
M: I wish you good luck.
W: Thanks a lot. But I"m a little nervous.
M: Nervous? You used to study very well.
W: But I haven"t studied for a long time.