the room have some good books( )he wanted to read?

问题描述:

the room have some good books( )he wanted to read?
是不填?还是填别的?
为什么

既可以不填,也可以填which和that.
依句子可知,缺的是定语从句中的关系代词,表示物,所以可以用that,which.因为关系代词在从句中作宾语,所以可以省略