【题目】—Is it convenient for you to go shopping with me tomorrow morning?
—I'm afraid not. I________then.
A.will have a meeting
B.am about to have a meeting
C.am having a meeting
D.will be having a meeting

【答案】D
【解析】考查时态的用法。由at 9 tomorrow morning可以看出应该用将来进行时，表示将来某时正在进行的事情；将来完成时表示将来某时之前已经完成的动作。一般将来时表示将来要发生的动作，故选D