[听力原文]M: When will the plane take offW: It was supposed to take off at 9: 50, but it will be delayed 15 minutes. When will the plane take off（） A: 9:35. B: 9:50. C: 9:15. D: 10:05.
[听力原文]M: When will the plane take offW: It was supposed to take off at 9: 50, but it will be delayed 15 minutes. When will the plane take off（） A: 9:35. B: 9:50. C: 9:15. D: 10:05.
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