◎ 题干
— Has James finished his report on his Enquiry Learning yet?
— I'm not sure. She _____ on it last week.

[     ]

A. was working
B. has worked
C. worked
D. had 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“— Has James finished his report on his Enquiry Learning yet? — I'm not sure. She _____ on it last week. [ ]A. was working B. has worked C. worked D. had …”主要考查了你对  【过去进行时】  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。