◎ 题干
_____ no one in the house, the detective had to leave.
[     ]
A. There is
B. There was
C. There being
D. There to be
◎ 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“_____ no one in the house, the detective had to leave.[ ]A. There is B. There was C. There being D. There to be …”主要考查了你对  【独立主格结构】【therebe句型】  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。