单项选择题

It is important that the hotel receptionist ______ that guests are registered correctly.

A．make sure
B．has made sure
C．made sure
D．must make sure
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单项选择题
______ receiving financial support from family, community or the government is allowed, it is never admired.
A．Once
B．Lest
C．As
D．Although
单项选择题
They believed that this was not the ______ of their campaign for equality but merely the beginning.
A．climax
B．summit
C．pitch
D．maximum
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