Look!Mr.Li is in the library.It____ be him .He has gone to Tanzhou.A.mustn't B.can't C.shouldn't D.won't选什么为什么?
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Look!Mr.Li is in the library.It____ be him .He has gone to Tanzhou.A.mustn't B.can't C.shouldn't D.won't选什么为什么?
Look!Mr.Li is in the library.It____ be him .He has gone to Tanzhou.
A.mustn't B.can't C.shouldn't D.won't选什么为什么?
Look!Mr.Li is in the library.It____ be him .He has gone to Tanzhou.A.mustn't B.can't C.shouldn't D.won't选什么为什么?
答案选B.can't
can't be 不可能是
B不可能
B can't be ...肯定不是
选B can't
mustn't 否定形式表示不允许,不是表推测
can't 是表推测,且把握较大
shouldn't 是不应该的意思,而非用于推测 You should't be too noisy.你不应该太吵
won't 一般用于对将来的否定 She won't go to Beijing.她不会去北京的
所以这里表推测的只有B
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选B can't
mustn't 否定形式表示不允许,不是表推测
can't 是表推测,且把握较大
shouldn't 是不应该的意思,而非用于推测 You should't be too noisy.你不应该太吵
won't 一般用于对将来的否定 She won't go to Beijing.她不会去北京的
所以这里表推测的只有B
翻译:看!李先生正在图书馆里。这不可能是他,他已经去潭州了。
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C,不应该是
选can't
A must能表推测,但mustn't不能表示推测,只能意为不允许XX
B can't能表示肯定不是XXX,而且是基本准确的推测
shouldn't和won't都不常用于推测的,本题主要想迷惑你的还是A选项吧