It is high time that everyone()very hard for the coming nati

问题描述：

It is high time that everyone()very hard for the coming national college en-trance examination
would study
studied
study
studies
1个回答 分类：英语 2014-09-22

问题解答：

我来补答
studied
原因：it is high time that +从句
从句中的谓语动词要么用过去式,要么用should+动词原形,should不可省略
 
 
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