问题补充：
-Can we meet tomorrow afternoon?
—Not in the afternoon ,I’m afraid. I.
A. will be working
B. am going to work
C. am about to work
D. will work
答案：
(答案→)A. will be working
B. am going to work
C. am about to work
D. will work
解析：考查动词的时态。由tomorrow afternoon可知为将来时；由答语Not in the afternoon，可知那时我将要工作，判断将来进行时
