单项选择题

There is no electricity again. A ______ has blown, causing the lights to fail.

A．fuse
B．wire
C．plug
D．circuit
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单项选择题
Users of heating oil were unaffected by the coal ______.
A．decline
B．vacancy
C．rarity
D．shortage
单项选择题
There were no ______ of the Sunday Papers due to a printer's strike.
A．publicatins
B．volumes
C．editions
D．periodicals
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