--- I will e to your lecture at 10:00 am. tomorrow.
--- I’m sorry. By then my lecture and I my guests in my office.
A. will end; am being met
B. have ended; will meet
C. will have ended; will be meeting
D. will have ended; will have met
网友回答
A. will end; am being met
B. have ended; will meet
(答案→)C. will have ended; will be meeting
D. will have ended; will have met
解析：10:00 am. Tomorrow是一个将来的时间，到这个时候我的演讲将已经结束，因此应用将来完成时，我将正和我的客人见面，应用将来进行时，因此本题选C。