--- May I visit you at 10 o’clock tomorrow morning?--- I’m afraid I a document f
来源:网络
时间:

--- May I visit you at 10 o’clock tomorrow morning?
--- I’m afraid I ______ a document for my boss then. What about 12:00?
| A.am preparing | B.will have prepared |
| C.will be preparing | D.have been preparing |
试题答案
C
解析试题