问题描述: She___ (sit) there for a long time without saying anything 1个回答 分类:英语 2014-09-26 问题解答: 我来补答 has been sittingShe has been sitting there for a long time without saying anything.她已经在那里一语不发地坐了很久.用 现在完成进行时表示从过去某时开始一直持续到现在的动作,并且还将持续下去或者表示在说话时刻之前到现在正在进行的动作 展开全文阅读