Not only tears keep your eyes lubricated, they also contain a substance that kil

游客2023-12-01 33

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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