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    -Is this his dictionary? -Yes, . A.it am B.it is C.it isn’t D.it’s 【查看更多】

     

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    —Is this his dictionary?                                         
    —Yes,_____ _____.                                                                                                                          
    [     ] 
    A. it am                                                            
    B. it is                                                            
    C. it isn't                                                        
    D. it's   

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