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职称英语
You________John in the street this morning. He’ s been dead for ages.A、mustn’ t
You________John in the street this morning. He’ s been dead for ages.A、mustn’ t
游客
2023-10-12
56
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问题
You________John in the street this morning. He’ s been dead for ages.
选项
A、mustn’ t see
B、mustn’ t have seen
C、couldn’t see
D、couldn’ t have seen
答案
D
解析
今天早上你在街上看见的不可能是约翰。他已经去世很多年了。A选项mustn’t表示“禁止做……”;从句子意思可知,看见的不可能是约翰。must have done表示对过去情况肯定的推测,而对过去情况否定的推测用couldn’t have done,故选D。
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