单项选择题

The telephone system is no longer operative.

A．running
B．moving
C．rotating
D．working
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单项选择题
The discovery was sensational.
A．sexy
B．surprising
C．exceptional
D．exciting
单项选择题
Hundreds of buildings were wrecked by the earthquake.
A．shaken
B．fallen
C．damaged
D．trembled
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