问题描述: The maths problem is not easy to work out.怎么不可以用is not easy to be worked 1个回答 分类:英语 2014-10-06 问题解答: 我来补答 这句话写成it is not easy to work out the maths problem.就容易理解了.原句强调数学问题,省略了主语人,问题做work out 的宾语work和work out的意思不同, 展开全文阅读