问题
选择题
I was given three books on cooking, the first __________ I really enjoyed.
A．of that
B．of which
C．that
D．which
答案
B。
the first of which相当于and the first of the three books，即指这三本书中的第一本。又如：I met the fruit-pickers, several of whom ever university students. 我碰到那些摘水果的人，其中有好几个是大学生。