【单选题】听力原文:M: I'm not quite sure how to use this calculator you lent me. I dropped it, and now the on-button doesn't light up. W: Oh, that's okay, it hasn't been working right for some time now. Q: What was...
【单选题】听力原文:M: I'm not quite sure how to use this calculator you lent me. I dropped it, and now the on-button doesn't light up. W: Oh, that's okay it hasn't been working right for some time now. Q: What's th...