To learn to speak English well,_____.

问题描述:

To learn to speak English well,_____.
A.much practice is needed B.one needs much practice
C.much practice is needed by one D.one is needed much practice
其实我觉得A\B读起来都很顺的...

B此句中人为主语 所以 在BD 中选不用被动 所以选B