◎ 题干
—What’s the matter with you?
—______ the window, my finger was cut unexpectedly.
[     ]
A. Cleaning  
B. To clean  
C. While cleaning  
D. While I was cleaning
◎ 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“—What’s the matter with you?—______ the window, my finger was cut unexpectedly.[ ]A. Cleaning B. To clean C. While cleaningD. While I was cleaning…”主要考查了你对  【从属连词】【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。