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Can you spare me some paper?(mine has run out)请问括号里填has used

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Can you spare me some paper?(mine has run out)请问括号里填has used up为何...
Can you spare me some paper?(mine has run out)请问括号里填has used up为何不可?这句话是什么做主语?如果是物,那has used up主语不也是物吗?
Can you spare me some paper?(mine has run out)请问括号里填has used
括号里面的mine其实就是代表my paper,只能用run out表用完的意思,要用它是一个不及物的固定搭配,它的主语必须是物.
而use up则刚好和run out相反,它的主语一般是人,且它是及物的,I have used up all the paper,can you give me a little?
如果要用物做主语则必须用被动语态:all the paper has been used up.
因此这题不是不可以用used up而是要用has been used up才行.