问题描述： what shapes are the ball还是what shape are the ball 1个回答 分类：英语 2014-11-18 问题解答： 我来补答 shape和ball的单复数是对应的,一个球最多只有一个形状,肯定是单数动词is；多个球可能是多个形状,也可能是一个形状,但肯定是复数动词are.所以可能的搭配是：What shape is the ball?What shape are the balls?What shapes are the balls? 展开全文阅读
