问题描述: there is a no picture on the wall怎么用three代替a改写句子 1个回答 分类:英语 2014-11-10 问题解答: 我来补答 你这话应该:There is no picture on the wall吧.a,后面是单数,所以picture后不加Sthree是三,后面物要加S,be动词也要由is变为are复数所以There are three pictures on the wall. 展开全文阅读