单项选择题

They need a Certificate ( ) Quarantine.

A．about
B．of
C．for
D．on
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单项选择题
Should any damage ______ from your delay, it will be for your account. ( )
A．arise
B．rise
C．arouse
D．raise
单项选择题
The exhibition is held ______our own expense and______ last year's prices. ( )
A．for, at
B．for, with
C．at, at
D．for, for
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