问题描述： Maybe she'll come,but I'm not quite c( ) about that. 1个回答 分类：英语 2014-10-17 问题解答： 我来补答 certain形容词 a.1.确凿的,无疑的;可靠的2.确信的,有把握的;一定会的[F][(+of/about)][+(that)][+wh-][+to-v] 展开全文阅读
