单项选择题


A．while
B．as
C．since
D．where
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单项选择题
A．is notB．has notC．do notD．may not
A．is not
B．has not
C．do not
D．may not
单项选择题
When I got my case back, it had been damaged _________ repair.
A．above
B．beyond
C．over
D．further
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