there is an eraser on the table. 对划线部分进行提问

问题描述:

there is an eraser on the table. 对划线部分进行提问
an eraser 划的线
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是不是变成:what's on the table?
但是there去掉了 可不可以啊?
谢谢各位了··

what is there on the table?
there不能去掉