单项选择题

The general manager brought ____________ a new reform plan on the personnel system for the company.

A．about
B．down
C．on
D．forward
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单项选择题
Having been ill for a few years, she had a particularly fragile ____________.
A．constitution
B．institution
C．construction
D．instruction
单项选择题
Do you consider ____________ to the village funds a duty or a pleasure
A．destructions
B．distributions
C．contributions
D．constructions
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