in the wall of 与on the wall of的差异?

in the wall of 与on the wall of的差异? in the wall与on the wall的区别 in the wall和on the wall的区别；in the frount of和in frount of的区别 是on the wall还是in front of the wall,说有是墙上有一幅画 in the front wall 与 on the front wall 的区别（最好再举几个例子）There ()a blackboard and a map()the front wall.两个空格应该填什么.第二个空格为什么是of,而不是in 呢 picture in the wall还是on the wall a photo in the wall还是on the wall? 英语中是用ON THE WALL还是IN THE WALL in the wall ,on the wall有什么区别 There are t _______pictures on the wall on the wall of的意思 The windows are the wall A.to B.in C.on D.of we have a map ( ) the wall ( )our classroomA.of;to B.of;in C.on;of D.on;at Drawing on the wall is a kind of bad b____.Don't do it again. in the wall on the wall in the tree on the tree 的区别 On the wall are some photos.You can see some t（）and birds in it. There are five big windows ( ) the wall.选择:A.on B.at C.of D.in There is a platform in front of our classroom.Two blackboards is on the wall.