题目内容
I went to the meeting yesterday because I ________ nothing about the discussion without attending it.A. didn't know
B. would know
C. knew
D. would have known
答案:D
解析:
提示:
解析:
| 这句是虚拟语气,与过去事实相反,因此用过去将来完成时表示。
|
提示:
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