I’ve read all the books that you gave me

问题描述:

I’ve read all the books that you gave me
that引导什么从句

that引导的是定语从句.the books 是定语从句的先行词,that是关系代词,在从句中充当动词 gave的宾语.
这句话的意思是:我把你送给我的书都读完了.