题目内容
7．Some details of a murder that happened in London remainunknown（未知的）．分析 发生在伦敦的那起谋杀案中的很多细节还是未知的．
解答 答案：unknown．
根据提示汉语结合语境推测句意是"发生在伦敦的那起谋杀案中的很多细节还是未知的．"，根据设空处前面的remain判断填形容词，"未知的"的英文是unknown，所以答案是：unknown
点评 做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．
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