问题补充:
―What about 10 o’clock tomorrow morning?
―I’m afraid I can’t make it. I then.
A. am going to take an exam
B. am taking an exam
C. will be taking an exam
D. an to take an exam
答案:
A. am going to take an exam
B. am taking an exam
(答案→)C. will be taking an exam
D. an to take an exam
解析:根据题干中的时间状语10 o’clock tomorrow morning可知,选项动作是在将来某个时刻正在进行的,故应选用将来进行时,口语中常用这种时态表示将来某时刻正在进行的动作或发生的事。