第 26 课: 运用更多的介词：里面，外面，上面-5

The boy is lying down outside. 那个男孩儿正躺在房子外面

The boy is lying down inside. 那个男孩儿正躺在房子里面

This is the outside of the building. 这是那座建筑物的外面

This is the inside of the building. 这是那座建筑物的里面

Which boy is inside? 哪个男孩儿在房子里面

Which boy is outside? 哪个男孩儿在房子外面

Which children are outside? 哪些孩子在房子外面

Which children are inside? 哪两个孩子在房子里面