问题描述： It is good to help him我记得词组应该是good 怎么还有good to? 1个回答 分类：英语 2014-09-23 问题解答： 我来补答 It is + 形容 + to do是固定句型,表示.是.的比如It is hard to solve the problem.good for 后面要跟名词或动名词比如It is good for you. 展开全文阅读
