中文谷Governmentworkersmusttakeanactiveapproachtotheirwork,c...
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问题详情：
Government workers must take an active approach to their work, carry out effective planning and decisive implementation, fulfill all their duties, and work tirelessly________ the public.
A. in the service of B. at the mercy of C. as a consequence of D. at the cost of
【回答】
A
知识点：介词
题型：选择题
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