The boy often helps his mother do__(clean)at home为什么填cleaning?跪求详细
问题描述：
The boy often helps his mother do__(clean)at home
为什么填cleaning?跪求详细
答
固定用法：do cleaning 相当于do some cleaning “扫除”
翻译：那个男孩在家经常帮他妈妈打扫卫生.