I was given three books on cooking,two____I really enjoyed

题目

I was given three books on cooking,two____I really enjoyed
of which which that of that
选什么?为什么?

答案

of which
如果是句号:
I was given three books on cooking.
two_of them___I really enjoyed .
相信你没有问题.
如果合成一句,这种所有关系还要保持,
自然就要用定语从句.
of which (指THEM) 其中这两本.