问题描述: Is this problem ( )the teacher explained yesterday?A、that B、the one 1个回答 分类:英语 2014-11-21 问题解答: 我来补答 Is this problem ( )the teacher explained yesterday?可以调一下语序This problem is----the teacher explained yesterday.这时就很明显是B了.既要连接句子又要做后面句子中explained的宾语. 展开全文阅读