what和that做引导词的区别
课外读物上说：Show me ____ you've written .横线上必填what,解析说what在引导宾语从句时充当某一成分,不能用that代替.
但是在牛津译林的教材上说 :
The place that/what Bruce Lee（李小龙） was born in was San Francisco
但我认为这里的引导词不也是做句子的宾语吗?怎么what和that又可以任意使用呢