2. 外语
  3. You ______ John in the street this morning. He’s been dead for ages.

You ______ John in the street this morning. He’s been dead for ages.

admin2018-06-03  41
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 must have done表示对过去情况的肯定推测，而对过去情况的否定推测则用couldn’t have done，所以选D项。
转载请注明原文地址:https://kaotiyun.com/show/2MxK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)