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题库 / OG2018V-SC-293
Early administrative decisions in China’s Ming Dynasty eventually caused a drastic fall in tax revenues, a reduction in military preparedness, the collapse of the currency system, and failed to make sufficient investment in vital transportation infrastructure.
the collapse of the currency system, and failed
the collapse of the currency system, and failing
and the collapse of the currency system, also failed
the collapse of the currency system, as well as failing
and the collapse of the currency system, as well as a failure
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a failure to make ... 和 a drastic fall in ...平行；the collapse of the currency system是平行结构中的最后一个，因而需使用and连接。
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