The answer to question 26 is “hidden”, but i was wondering how about “hiding”. Do me a favour, please. 知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见解，找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区.
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I would expect i saw/noticed a man hiding/standing/waiting etc. It’s about one question in a test paper. Hidden seems a bit strange here.
If both are ok, which is.
The past participle hidden implies a passive construction:. 不管什么情况，你知道一个原则就 ok 了： html 是内容展示带有语义，css 是界面样式相关。 那么 hidden 这个属性，就表示与浏览者不相关、不重要，浏览器在解析的时候，既然不相.
