问题描述： This question can be answered by him变一般疑问句 1个回答 分类：英语 2014-12-03 问题解答： 我来补答 Can this question be answered by him? 再问： be动词是用原型是吗，不用变an is are光把情态动词can提前就行是吗 再答： 对 展开全文阅读
