题目

---The music by TFBoys ________ nice. I guess their CDs must ________ well.         ---Yes, they are very popular among young people.            A. sounds; sell   B. is sounded; be sold   C. is sounded; sell    D. sounds; be sold 答案：A日月星辰东升西落，是因为（　　） A、太阳和星星都围绕地球转B、地球围绕太阳自西向东转C、地球绕地轴自西向东转D、地球公转时，地轴是倾斜的