成人高等教育 / 大学英语1
正确率：100%
A: Hi, Mark, I'm glad you could come. B: _ _ _ _ _ _ A: No, you are right on time.
- A、 It's my great honor, thanks.
- B、 You are welcome. Am I the first?
- C、 Thanks. Do you have the time?
- D、 I hope I'm not too late.
参考答案：
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