______at home doing his homework all day, the little child felt bored.

问题描述:

______at home doing his homework all day, the little child felt bored.
动词是leave
这道题用ing还是ed作状语呢?

Left
因为它的逻辑主语是后面的the little child,而the little child是“被留在家里”,不是自己要留下来的,所以用过去分词表被动.