来自蔡洪斌的问题
【Howcanwemaketheroadsafe?How______bemadesafe?A.cantheroadB.theroadcanC.theroadD.roadcan】
Howcanwemaketheroadsafe?
How______bemadesafe?
A.cantheroadB.theroadcan
C.theroadD.roadcan


【Howcanwemaketheroadsafe?How______bemadesafe?A.cantheroadB.theroadcanC.theroadD.roadcan】
Howcanwemaketheroadsafe?
How______bemadesafe?
A.cantheroadB.theroadcan
C.theroadD.roadcan
这是一个被动的转化要原句子的宾语换为被动句的主语
那么就是A的行式
Howcanwemaketheroadsafe?主动
How___cantheroad___bemadesafe?被动