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				21．--Listen! Is  professor giving a speech in class?--No.it          be him．He has gone to France．A．may not        B．mustn't        C．needn't         D．can't			【查看更多】
			


		
     
    


		
    
		
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    －Listen! Is Professor Bloom giving a speech in class?
    

    －No，it ________ be him．He has gone to France．
    

    

    [　　]
    

    A．may not
    

    

    B．mustn't
    

    

    C．needn't
    

    

    D．can't
    

    

    

			
    
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