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    科目： 来源：同步题 题型：单选题

    Students_______be careful when they do chemical experiments in the lab.      
    [     ]
    A. can      
    B. must      
    C. need      
    D. may

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    科目： 来源：同步题 题型：单选题

    —Is that your English teacher?        
    —No, it______be him.  He has gone abroad.      
    [     ]
    A. mustn't      
    B. may not      
    C. can't            
    D. needn't

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    科目： 来源：同步题 题型：单选题

    —Who's that woman standing near the library? Is it your English teacher Miss Green?          
    —It ______. be Miss Green. She has gone abroad.      
    [     ]
    A. must      
    B. can't      
    C. may      
    D. shouldn't

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    科目： 来源：同步题 题型：单选题

    It              be my cap.  Look, it has my name            _ it.      
    [     ]
    A. must; on    
    B. can; in    
    C. must; in    
    D. can; on

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    科目： 来源：同步题 题型：单选题

    —_______I finish the work today?        
    —No, you needn't.      
    [     ]
    A. Must      
    B. May      
    C. Can      
    D. Need

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    科目： 来源：同步题 题型：单选题

    —Is Mr Zhou in the office?        
    —No, he_______ be there.  He has gone to Huanggang.    
    [     ]
    A. mustn't    
    B. needn't    
    C. won't      
    D. can't

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    科目： 来源：同步题 题型：单选题

    —Listen! There is someone singing in the next room.  Who         ____ it be? Is it Wang Fei?           
    —No.  It ________be her.  She is at school now.        
    [     ]
    A. will; may not         
    B. may; can't         
    C. must; mustn't           
    D. may; won't

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    科目： 来源：同步题 题型：单选题

    Look! Liu Mei's name is on the bag.  It_______hers.    
    [     ]
    A. was    
    B. has been    
    C. must be    
    D. will be

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    科目： 来源：同步题 题型：单选题

    —Where is Tom?    
    —He hasn't come to school today. I think he                be ill.    
    [     ]
    A. has to    
    B. should    
    C. may    
    D. need

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    科目： 来源：同步题 题型：单选题

    —How does Shelia get to school?      
    —I don't really know.  She______the bus.    
    [     ]
    A. might take    
    B. takes    
    C. must take    
    D. can take

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