问题描述：
（ ）noting to do,she went back to her room
a/ there being
b/ there is
选哪个为什么?
那个there be、there being 、there to be 、there is 分别用法是?
a/ there being
b/ there is
选哪个为什么?
那个there be、there being 、there to be 、there is 分别用法是?
问题解答：
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