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    精英家教网 > 高中英语 > 题目详情

     She says that she’ll have to close the shop ________ business improves.

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

     

    【答案】

     B

    【解析】

    试题分析：句意：她说她将不得不关闭商店，除非业务有所提高。if   如果；unless    除非；after在……之后； when当……的时候。由题意可知，选B。 

    考点: 考查连词的用法。

     

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