在becoming后面加个so吧可是合在一起的so that 好像是为了......的意思，如果不添加so 的话算错吗是so...that...如此......以至于......
如果不这样加，那后面的that就说不通了哦，那能请您帮忙修改一下吗？万分感谢！Many things are becoming so more and more expensive that some people can 't afford them .
或者
Many things are becoming more and more expensive ， some people can 't afford them .