问题
选择题
--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?
--- I’m afraid not. I _________ a speech then.
A．was giving
B．will be giving
C．am giving
D．will have given
答案
答案：B
考查时态。根据语境时间状语at 9 o’clock tomorrow morning，故用将来进行时，选B。