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    科目： 来源：江西省同步题 题型：单选题

    ________ there is going to be a policy change ________ of those things is going to change.
    [     ]
    A．Unless; few  
    B．Until; few
    C．Unless; none  
    D．Until; none

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    科目： 来源：安徽省同步题 题型：单选题

    Bella is really a good colleague in the office, I mean, _______ we don’t have everything in common.
    [     ]
    A. as if
    B. so that
    C. even though
    D. now that

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    科目： 来源：同步题 题型：单选题

    _______ you call me to say you're not attending my birthday party, I'll see you at it．
    [     ]
    A．Whether
    B．Though
    C．Until
    D．Unless

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    科目： 来源：湖南省期中题 题型：单选题

    ________the new belling sounds gentle and formal, it will be some time before we can adapt to it.
    [     ]
    A. Since        
    B. Although          
    C. When              
    D. In case  

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    科目： 来源：湖南省期中题 题型：单选题

    People often have the belief ________a healthy environment and development cannot be possible at the
    same time, but this does not have to be true.
    [     ]
    A. that            
    B. which              
    C. where            
    D. what

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    科目： 来源：江西省同步题 题型：单选题

    As the sea ice melts sooner each swimmer,polar bears are forced to come ashore earlier and face food shortages _____ they have stored enough fat to last them through the season.
    [     ]
    A .before
    B. unless
    C. since
    D. until

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    科目： 来源：安徽省同步题 题型：单选题

    Water is a liquid which has no color _______ you wash your hands in it, then it turns black.
    [     ]
    A. before
    B. until
    C. since
    D. because

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    科目： 来源：专项题 题型：单选题

    — Mr Smith wants to know whether you went to meet him at the station yesterday.
    — Yes. We______ in the station's waiting-room _____ evening. But he didn't show up.
     [     ]
    A. stayed; until
    B. didn't stay; until
    C. stayed; not until
    D. not stayed; until

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    科目： 来源：同步题 题型：单选题

    The school rules state that no child shall be allowed out of the school during the day, _____ accompanied
    by an adult.

    [     ]

    A. once
    B. when
    C. if
    D. unless

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    科目： 来源：安徽省同步题 题型：单选题

    It's convenient to own a car; however,I don't think it's good to drive one________you go,especially
    in places with a lot of traffic.
    [     ]
    A. whenever  
    B. whichever  
    C. whatever  
    D. wherever

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