To learn to speak English well .A. much practice is neededB. one needs much practiceC. muc

问题补充：

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

答案：

A. much practice is needed

(答案→)B. one needs much practice

C. much practice is needed by one

D. one is needed much practice

解析：考查非谓语动词。第一个分句表示目的，逻辑主语是人，排除A、C；one和need是主谓关系，用主动。故选B。