题目内容

---Susan, why are you still here?They are all ready to start.

---I'm sorry, but I ______ when to meet.


  1. A.
    don't tell
  2. B.
    didn't tell
  3. C.
    haven't told
  4. D.
    wasn't told
D
分析句子表示不知道什么时间集合、碰面,句子主语是I,动词是tell(告诉),只能是我没有被告知,我是动作的受动者,用动词的被动语态;而动词一般过去时的被动形式由was/were+动词的过去分词构成,所以选择wasn't told; don't tell是一般现在时的否定形式,didn't tell是一般过去时的否定形式;是现在完成时态,都不是被动形式,不符合题义.
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