练习册

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    [2010·山西康杰中学5月模拟]Professor Smith, along with his assistants, on the project day and night to meet the deadline. A. work B. working C. is working D. are working 2C考查主谓一致.此句真正的主语是Professor Smith.谓语动词用单数形式. 【查看更多】

     

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