---Do you know where David is

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---Do you know where David is?I couldn’t find him anywhere. ---Well,he ___ have gone far—his coat’s still here. A.shouldn’t B.mustn’t C.can’t D.wouldn’t

解题思路：否定推测
解题过程：
---Do you know where David is?I couldn’t find him anywhere.
---Well,he ___ have gone far—his coat’s still here.
A.shouldn’t B.mustn’t C.can’t D.wouldn’t 选C
本句意为：--你知道David在哪儿吗？
--奥，他肯定没有走远--他的衣服仍然在这儿。
对于过去的肯定推测用must have done
否定推测或者疑问推测不可以用mustn't，而要用can的某种形式，此处否定推测用
can't have done对于过去的否定推测
如有疑问，我们继续讨论，谢谢
最终答案：略

英语问题do you know where david is -----Do you know where David is ? I couldn’t find him anywhe Do you know David Do you know where malaysia is? Do you know where sugar is （? ） Where is his shoes ,do you know? Do you know where Mr.Zhou is? Do you know where my home is? Do you know where is inner mongolia? do you know where her home is Do you know where sugar is 什么? -----Do you know where Bob is?