灵鹊做题网The room is still in a mess;it ___ thoroughly cleaned.
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The room is still in a mess;it ___ thoroughly cleaned.
A.can't have been
B .mustn't havebeen
C .wouldn't have been
D.shouldn't havebeen
请问选哪个?选和不选的原因?顺便把句子翻译成中文.
A.can't have been
B .mustn't havebeen
C .wouldn't have been
D.shouldn't havebeen
请问选哪个?选和不选的原因?顺便把句子翻译成中文.
同学,很高兴回答你的问题
正确答案：选【A】
即：The room is still in a mess;it 【can't have been 】 thoroughly cleaned.
翻译：这个房间仍然很凌乱,它不可能被彻底打扫了.
解析：当表示否定猜测时用can't,表示不可能...的意思,而 can't have done 意思是对过去做的事情的否定推测,不可能.而mustn't 不用于表示否定推测,是禁止的意思；wouldn't have done 意思是过去不应该做而做了,should have done 也是表示过去本不应该做的事情却做了.
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不明白请继续追问,
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正确答案：选【A】
即：The room is still in a mess;it 【can't have been 】 thoroughly cleaned.
翻译：这个房间仍然很凌乱,它不可能被彻底打扫了.
解析：当表示否定猜测时用can't,表示不可能...的意思,而 can't have done 意思是对过去做的事情的否定推测,不可能.而mustn't 不用于表示否定推测,是禁止的意思；wouldn't have done 意思是过去不应该做而做了,should have done 也是表示过去本不应该做的事情却做了.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
不明白请继续追问,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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