It sounded like a good idea，but________it didn't work.A．in theoryB．in practiceC_刷题宝

题干

It sounded like a good idea，but________it didn't work.

A．in theory	B．in practice
C．in public	D．in private

上一题下一题 0.64难度单项选择更新时间:2014-12-23 08:22:40

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