—-Is it possible for us to meet at ten o’clock tomorrow morning?
—-Sorry, it is certainly not. I an important meeting then.
A. attend
B. am attending
C. will attend
D. will be attending
网友回答
A. attend
B. am attending
C. will attend
(答案→)D. will be attending
解析： 考查动词时态。根据时间状语at ten o’clock tomorrow morning，可知是说明天早晨6点钟正在开会。所以用将来进行时态。选D。