单项选择题

Professor Smith asked his secretary to ______ a hundred copies of this article on the duplicating machine.

A．run down
B．run off
C．run over
D．run into
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单项选择题
The tremendous waves ______ the whole village.
A．conquered
B．imprisoned
C．confined
D．inundated
单项选择题
They were enjoying themselves. ______ , they appeared to be enjoying themselves.
A．However
B．Instead
C．Or rather
D．As a result
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