单选题
The book was so bored that I returned it to the library without finishing it.
A、
so bored
B、
returned it
C、
to the library
D、
without finishing
【正确答案】
A
【答案解析】
[解析] 应改为so boring。修饰book(事物)要用现在分词，过去分词常用来修饰人。
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