What they will find instead 是主语从句,例如：
　　What she said sounds great.中的What she said
　　What we are supposed to do is not clear.中的What we are supposed to do请问what在句中的做用 换成本how 或者别的疑问词可以不　　what有连接从句和作从句里find的宾语的作用；　　该中what的不可替换成how，因为how是副词，不能作find的宾语。