问题描述:
关于情态动词的一道题
He_____ to Shanghai,for I saw him a moment ago.
A.must have gone B.can't have gone C.mustn't have gone D.can't have been
选哪个,给出理由
B和D有什么区别
He_____ to Shanghai,for I saw him a moment ago.
A.must have gone B.can't have gone C.mustn't have gone D.can't have been
选哪个,给出理由
B和D有什么区别
问题解答:
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