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

试题详情及答案解析

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

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

答案：B

试题分析：考查固定短语辨析。A.理论上；B.实际上；C.公开地；D.私下地。句意：这听起来是个不错的主意，但实际上没效。故选B
考点：考查固定短语辨析