◎ 题干
I read ____ books, but some of them are ____ boring.      
[     ]
A. kinds of; kinds of                    
B. kinds of; kind of      
C. kind of; kind of                      
D. kind of; kinds of
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“I read ____ books, but some of them are ____ boring.[ ]A. kinds of; kinds ofB. kinds of; kind of C. kind of; kind of D. kind of; kinds of…”主要考查了你对  【可数名词(单数名词,复数名词)】【副词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。