They are putting up a picture ---the front wall横线处应填什么介词 为什么

They are putting up a picture ---the front wall横线处应填什么介词 为什么 They are putting a map__the front wall. A.in B.at C.on Dover The picture is the wall.问号填什么介词? A picture ______(hang) on front wall. Look,the cat ---up the wall横线应该填什么? Is Li Ping putting up a map of China on the wall? 介词填空He put up a map 什么the back wall because there was a hole 句子The picture are on the wall.问on the wall做什么句子成分? There is a blackboard_the front wall,填什么?为什么? The picture are on the wall they are putting on a show I like the picture on the wall 为什么这里的宾语只是picture吖 是不是介词短语和后置