22．---Listen! Is Miss Smith giving a speech in the class?---No.it be her．She has gone to Hong Kong．A．may not B．mustn’t C．can’t D．needn’t 【查看更多】

 

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---Listen! Is Miss Smith giving a speech in the class?

---No，it ________ be her．She has gone to Hong Kong．

A．may not                  B．mustn’t                  C．can’t              D．needn’t

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