2. 外语
  3. Not only tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so that they can’t infect yo

Not only tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so that they can’t infect yo

admin2017-06-15  51
问题 Not only tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so that they can’t infect your eyes.
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答案倒装句错误，应在tears前加上助动词do。
解析 这是not only放在句首的倒装句，要使用部分倒装，把助动词do提到主语tears前面。
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