单选题 When are they leaving?
【正确答案】 B
【答案解析】[听力原文]6-7
M: Are you going with us to the concert, Helen?
W: Maybe. I'm not sure.
M: You'd better make up your mind. We're leaving at six.
W: No, I don't think I will. I've got too much to do. I'm going to stay home.
【正确答案】 A
【答案解析】