inonunderbehind图片,behind的图片

it's under the box.
it's ____ the box in on under behind near in front of
in on under behind on 在"上 in 在"里 under under在"下面"
it's under the box it's in the box it's behind the box.
in on under,让孩子通过练习,区分了三个介词所在的位置(理解即可)