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The room is in a terrible mess, so it ____________ (肯定没有打扫过).can’t have been cle
The room is in a terrible mess, so it ____________ (肯定没有打扫过).can’t have been cle
游客
2023-07-24
26
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问题
The room is in a terrible mess, so it ____________ (肯定没有打扫过).
选项
答案
can’t have been cleaned
解析
①can’t have done结构表示对过去的否定推测;②被动语态。
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