单项选择题

The firemen arrived half an hour ______ the alarm was first raised, when it was too late to save much of the building.

A．since
B．after
C．as
D．until
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--Where is my blue shirt --It's in the washing machine. You have to wear ______ different shirt.
A．a
B．other
C．any
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From the look on his face I knew that the end had come, one way or
A．other
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C．another
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