一道选择题:The results were to ____yesterday, but we have heard nothing.

A.were to do 本来打算，计划
were to be done( 是它的被动形式 )
be revealed 陈述事实：结果本来将被揭晓。
have been revealed 强调“结果”揭晓是在“打算”之前先完成，逻辑不通。

A.be to do
passive voice