问题描述： be surprised to do中的do有何限制? 1个回答 分类：英语 2014-11-16 问题解答： 我来补答 to后面接动词原型,所以这个do 应该是动词的原型,短语也是,如I am surprised to hear that.I am surprised to follow it.I am surprised to see. 展开全文阅读
