When and where to build the new school ()yet .A:is not decided B:are not decided C:has not decided D:have not decided 为什么用过去式 不现在完成时

问题描述:

When and where to build the new school ()yet .
A:is not decided B:are not decided C:has not decided D:have not decided 为什么用过去式 不现在完成时

A是 現在被动時. 因還耒完成, 不能用現在完成時 when and where to build the new school is not decided yet=何時何地建新学校还没有决定. 有用请采纳