单项选择题

The waste pipe is blocked; try ______ it out with hot water.

A．rushing
B．brushing
C．crushing
D．flushing
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单项选择题
There is a shift in ______ from a woman' s view to a man' s view.
A．prospective
B．prospectus
C．prosperous
D．perspective
单项选择题
The republication of the writer' s works will surely ______ his reputation.
A．enhance
B．strengthen
C．enlarge
D．magnify
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