题目

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。 解析: 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。

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