单项选择题

A．At
B．In
C．By
D．On
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单项选择题
A．forB．byC．withD．as
A．for
B．by
C．with
D．as
单项选择题
A．Use of library facilities.B．Library regulations.C．Library personnel.D．Location of the library.
A．Use of library facilities.
B．Library regulations.
C．Library personnel.
D．Location of the library.
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