【简答题】After a long day’s study at school, you are very tired. So after school you go home to relax. When you get home, a robot greets you. He’s happy to see you and helps you take your school things to your...
【单选题】听力原文:M: I'm so tired I can't see straight. W: You've been tired a lot lately, haven't you? M: Well, over the last weeks I'ye had to stay up most of the night to to observe star configurations for a pr...