单项选择题

Readers will find that a library's collection of books usually ______ two categories: fiction and non-fiction.

A．falls into
B．runs into
C．separates into
D．turns into
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单项选择题
It is not an agreement ______, but it will serve as one.
A．on such
B．for such
C．as such
D．in such
单项选择题
They have occupied our land, stolen our freedom and violated everything we held ______ .
A．sacred
B．secret
C．second
D．dangerous
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