【题目】—I'm going to attend your lecture at 9∶30 tomorrow morning.
—I regret to tell you that. When you arrive, it will have ended and I ________ questions with my students.
A．would discuss B．will discuss
C．will be discussing D．am discussing
在线课程【答案】C
【解析】根据题意“当你明天到得时候，演讲将会已经结束，我将正在和学生讨论问题。”可知此题应用将来进行时。