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I have no idea____he will come back from work.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/27 13:19:16
I have no idea____he will come back from work.
为什么不填that?
填that表示是that引导的同位语从句,但idea 跟he will come back from work并不是等价的,所以二者并不是同位语;
相应的,idea 跟 whether he will come back from work 是等价的