问题描述: I didn't know which botton to press这是不是一个宾语从句?讲明理由 1个回答 分类:英语 2014-11-02 问题解答: 我来补答 不是,是简单句.主语:I,谓语 don't know,宾语:不定式which botton to press.I didn't know which botton I should press.才是宾语从句 展开全文阅读