I have finished a large part of the book, the rest of which___ more difficult. A．is B．are C．was D．we...
2023-02-01 18:43:54 14次 2010届三轮回扣语法专项训练（主谓语一致性） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I have finished a large part of the book,
the rest of which___ more difficult.
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