评论：英语学习:it is common knowledge that…. ( ……..是常识)。。这个需不需要在it is 后加上a 啊? , 友谊的英语

内容简介：(1) It is ＋名词＋从句 It is a fact that … 事实是…It is an honor that …非常荣幸 It is common knowledge that …是常识 (2) it is ＋形容词＋从句 It is natural that… 很自然…It is strange that 网络释义 1. 是常识例句:1.It is common...

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