单项选择题

The captain was ______ to sergeant for failing to fulfill his duties.

A. regulated
B. promoted
C. deregulated
D. demoted
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单项选择题
It was so incredible to her that I should have made the highest score in the class（）she was trying to test me again, personally

A．that
B．therefore
C．when
D．because
单项选择题
James is very set in his ways, but Mark has a more（）attitude to life.

A. tolerant
B. flexible
C. cautious
D. defensive
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