问题描述: My problem is _ (not know) where to go. 1个回答 分类:英语 2014-10-22 问题解答: 我来补答 My problem is not knowing (not know) where to go.我的问题是不知道去哪里.主系表结构,My problem 是主语, is是谓语,not knowing动名词作表语. 展开全文阅读