问题
选择题
She_____ have gone to Shanghai for a visit. She has been discussing the papers with me for a whole day.
A．mustn’t
B．needn’t
C．shouldn’t
D．can’t
答案
答案：D
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She_____ have gone to Shanghai for a visit. She has been discussing the papers with me for a whole day.
A．mustn’t
B．needn’t
C．shouldn’t
D．can’t
答案：D