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题库 / GMATLA-SC-142
According to a recent survey of municipal services, the city's streets could be cleaner, its fire code be better enforced, and its crime rate reduced if the current administration improved its management practices.
be better enforced, and its crime rate reduced
better enforced, and its crime rate reduced
could be better enforced, and it could reduce its crime rate
better enforced, and its crime rate could reduce
could be better enforced, and its crime rate reduce
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这道题最快的方法应该从平行去考虑，平行的三个成分是（1）the city's streets could be cleaner，（2）its fire code could be better enforced，和（3）its crime rate reduced. 三个成分要么都有could be, 要么后两个省略。
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