单项选择题

The ______ banging of the shutter in the wind gave me a headache.

A．constant
B．continuous
C．continual
D．continuing
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单项选择题
In 1998, to many westerners' surprise, Hong Kong carried ______ the economic crisis.
A．off
B．on
C．over
D．out
单项选择题
The hotel forbids visitors ______ overnight.
A．stay
B．to stay
C．to staying
D．staying
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