◎ 题干
—Where is your mother?
—She _____ because she is ill.
[     ]
A. lies in the bed
B. lying in bed
C. is lying in bed
D. lies in bed
◎ 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 is your mother? —She _____ because she is ill.[ ]A. lies in the bed B. lying in bed C. is lying in bed D. lies in bed…”主要考查了你对  【现在进行时】【介词短语】【主谓一致】  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。