With the development of social economy,a lot of problems have com_英语解答

With the development of social economy,a lot of problems have come to appear 有错没
语法用词上有没有什么错误有错误请指出改正~
其中之一：是one of that is 还是one of is that

人气：259 ℃　时间：2019-10-23 01:25:17

解答

with the developing of social economy,lots of problems have come out.