we are using so many raw materials every day,which _________that they _________A,are running out ,wil be used up B.are being run out ,wil run out C,have run out of ,will be using up D,have run out,will run out of选什么?为什么呢?which 引导的

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we are using so many raw materials every day,which _________that they _________A,are running out ,wil be used up B.are being run out ,wil run out C,have run out of ,will be using up D,have run out,will run out of选什么?为什么呢?which 引导的
we are using so many raw materials every day,which _________that they _________
A,are running out ,wil be used up B.are being run out ,wil run out
C,have run out of ,will be using up D,have run out,will run out of
选什么?为什么呢?which 引导的是非限制性定语从句,先行词是什么?that在句中起什么作用呢?做什么成分?

we are using so many raw materials every day,which _________that they _________A,are running out ,wil be used up B.are being run out ,wil run out C,have run out of ,will be using up D,have run out,will run out of选什么?为什么呢?which 引导的
A,第一个WHICH是定语从句,指代MATERIALS,表示正在进行; 另外,so.that 搭配,构成结果状语从句,结果将要(用完)

选A涩!run out不及物,而run out of 和use up 都及物。第二个空应选及物的。

A. , 先行词是动词, that 在这里起了一个补充的作用