问题
选择题
The _____ books are _____ humor.[ ]
A. kind; a kind
B. kind of; kind
C. kind of; kind of
D. kind of; a kind
答案
答案：C
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The _____ books are _____ humor.[ ]
A. kind; a kind
B. kind of; kind
C. kind of; kind of
D. kind of; a kind
答案：C