题目内容：

句型转换 1.This is my book.My book is on the desk .(改为定语从句) The book ()()()()() is mine.

优质解答

This is my book.My book is on the desk.
(改为定语从句) = The book (which/that is on my desk) is mine.
注：which/that可以任意选用其一.