单项选择题

A．To wear jackets to work.
B．Not to use air-conditioners.
C．To wear shirt sleeves.
D．To take all measures to conserve energy.
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A．withB．throughC．byD．in
A．with
B．through
C．by
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单项选择题
A．hurriedlyB．repeatedlyC．worriedlyD．surprisedly
A．hurriedly
B．repeatedly
C．worriedly
D．surprisedly
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