表示inonunder的图片,表示under的图片

a: where is the…? b: its in/on/under the desk.
it's under/ on/ in… where are…?
朗文super kids unit 7 介词in, on, under 两课时-精品 适合中低年级
under the box on the box in the box
以in和on和under的英语手抄报 简单的英语手抄报