题目内容
17．Although I have listened to the conversation three times，I still don't know who are talking．分析 尽管我已经听了三次谈话了，但是我仍然不知道是谁在谈话．
解答 答案．conversation
根据下文I still don't know who are talking"但是我仍然不知道是谁在谈话．"可知与谈话有关，结合所给首字母c，故填conversation
点评 本题主要考首字母填空，首先要根据所给句子和首字母，推测空白处所缺的单词是什么．单词确定后，再根据人称，时态，短语，句型，语态等，确定单词的适当形式
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