问题描述: What's in your pencil-box?____a pen,two pencil and several rulers. 1个回答 分类:英语 2014-12-02 问题解答: 我来补答 is.be动词的形式根据靠它近的名词的单复数形式绝定,这就是所谓的就近原则.Is 就近原则 Is 展开全文阅读