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题目内容
（山西财经大学英语3）
—How about going sightseeing this Saturday afternoon?
---Sorry, I _______ my research report the whole weekend.
A. will have written
B. will be writing
C. have written
D. have been writing
---Sorry, I _______ my research report the whole weekend.
A. will have written
B. will be writing
C. have written
D. have been writing
参考答案