(单选题)15: 第三次作业问题B1 A: John came at 8:45. B: John came at 8:50. C: John came at 7:45. D: John came at 9:20. ...

(单选题)14: 第三次作业问题B2 A: Ninety people came. B: Thirty people came. C: Sixty people came. D: Twenty people came. ...

(单选题)13: 第三次作业问题A4（作业音频请到课程公告里下载） A: Her vacation lasted two weeks. B: Her vacation lasted three weeks. C: Her vacation lasted four weeks. D: Her vacation lasted five weeks. ...

(单选题)12: 第三次作业问题A7 A: We have to be at the stadium at 5:45. B: We have to be at the stadium at 6:15. C: We have to be at the stadium at 6:30. D: We have to be at the stadium at 6:45. ...

(单选题)11: 第三次作业问题A3 A: Sixty students were accepted. B: Ninety students were accepted. C: Forty students were accepted. D: Eighty students were accepted. ...

(单选题)10: 第三次作业问题A5 A: It began at 9:00 B: It began at 9:15. C: It began at 10:00. D: It began at 10:15. ...

(单选题)9: 第三次作业问题B7 A: I went to wrong class. B: I missed the class. C: I came to class on time. D: I was late for class. ...

(单选题)8: 第三次作业问题B10 A: Bob saw Mary in the building. B: Bob saw Mary outside the building. C: Mary saw bob when she left the building. D: Mary saw bob when he was leaving the building. ...

(单选题)7: 第三次作业问题B5 A: Breakfast was ready before we left. B: We left without having breakfast. C: Before breakfast we were ready to leave. D: We left to get breakfast. ...

(单选题)6: 第三次作业问题A6 A: I paid 280 dollars for the coat. B: I paid 218 dollars for the coat. C: I paid 140 dollars for the coat. D: I paid 80 dollars for the coat. ...