◎ 题干
—Where have you been recently?
—I ________ in Beijing on business for a week last month.
[     ]
A. have worked  
B. was working
C. have been working  
D. worked
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Where have you been recently?—I ________ in Beijing on business for a week last month.[ ]A. have workedB. was workingC. have been workingD. worked…”主要考查了你对  【一般过去时】  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。