问题描述: The waste gas and water (are)poured into the .( )里是is还是are? 1个回答 分类:英语 2014-09-24 问题解答: 我来补答 如果两个不可数名词合在一起,用and连接,表示一个整体,就用单数.如:Bread and butter is a nice breakfast.如不表示整体,则用复述.Music and dance are both wonderful. 展开全文阅读