◎ 题干
-- Do you think we should accept that offer?
-- Yes, we should, for we _____ such bad luck up till now, and time out.
[     ]
A. have had, is running            
B. had, is running
C. have, has been run              
D. have had, has been run
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-- Do you think we should accept that offer?-- Yes, we should, for we _____ such bad luck up till now, and time out.[ ]A. have had, is runningB. had, is runn…”主要考查了你对  【现在进行时】【现在完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。