he has written a book the name of which i've forgotten中the name of which i've forgotten是什么成分,如果是定语从句为什么没有引导词?还是把引导词省略了?有补语从句这个说法吗?还有高一英语要学哪几本书?请尽心回答,
问题描述：
he has written a book the name of which i've forgotten中the name of which i've forgotten是什么成分,如果是定语从句为什么没有引导词?还是把引导词省略了?
有补语从句这个说法吗?还有高一英语要学哪几本书?
请尽心回答,
答