◎ 题干
How tired you look! You _____ these weeks. I think you need a holiday before you burn out.

A. had overworked
B. overworked
C. have been overworking
D. were overworked
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“How tired you look! You _____these weeks. I think you need a holiday before you burn out. [ ]A. had overworkedB. overworked C. have been overworking D. wer…”主要考查了你对  【现在完成进行时】  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。