2. 外语
  3. The discussion was not smooth．If only______(我们明确区分两个科学术语就好了)!

The discussion was not smooth．If only______(我们明确区分两个科学术语就好了)!

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问题 The discussion was not smooth．If only______(我们明确区分两个科学术语就好了)!
选项
答案we had made a clear distinction between the two scientific terms
解析 If only表示“要是……该多好”，此句表示对过去情况的假没，用“had+过去分词”虚拟式。
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大学英语六级

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