I have no idea------the book is of great value to your English study.填if 还是 whetherif这里是同位语从句么

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I have no idea------the book is of great value to your English study.填if 还是 whetherif这里是同位语从句么

I have no idea------the book is of great value to your English study.填if 还是 whetherif这里是同位语从句么
I have no idea------the book is of great value to your English study.填if 还是 whether
if
这里是同位语从句么

I have no idea------the book is of great value to your English study.填if 还是 whetherif这里是同位语从句么
whether
引导宾语从句通常不用if
这里是宾语从句.
不是吧...那就是引导宾语从句不常用whether
这里是宾语从句,不是同位语.
have no idea=don't konw 做谓语,后面是宾语.

whether

宾语从句,应该用whether,选择性的宾语从句一般都用whether。

不是同位语从句,是宾语从句