听力原文：W: Bob, are you going straight home after school today? M: No, I have a class until one o'clock and after that I'm going to spend a couple of hours at the library before going homE. When is Bob going home this afternoon? A.Around 3:00. B.At 1:00. C.At 2:00. D.He is not surE.
A.When B.Around C. B.At D. C.At E. D.He
【参考答案】
A 解析：看到答案中有数字，就必须注意对话中的数字细节。解本题的关键是对“until one o'clock”和......