问题
选择题
When and where to build the new school__________yet.
A．have not been decided
B．are not decided
C．has not been decided
D．has not decided
答案
C
when and where to build the new school指的是“一件事”,故谓语动词用单数形式,且decide一词用作及物动词,所以应用被动语态。