◎ 题干
_______,the headmaster rose to indicate that the conversation was ________.
[     ]
A. At an end;in an end          
B. In the end;at an end  
C. In an end;at the end          
D. At an end;in the end
◎ 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“_______,the headmaster rose to indicate that the conversation was ________. [ ]A. At an end;in an end B. In the end;at an endC. In an end;at the end D. A…”主要考查了你对  【介词和介词短语】  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。