Using a complex preposition:I sold everything I owned, but I did

Using a complex preposition:
I sold everything I owned, but I didn’t sell my car and my books.
【正确答案】：I sold everything I owned except for my car and my books.
【题目解析】：Except for复合介词，用于表示对主要部分的肯定和对局部的否定，它不表示同类事物之间的关系，其意思为“除了……以外”。