was to do&was to have donethe results were to___yesterday,but we have heard nothingA.announce B.be announcing C.be announced D.have been announced正确答案选哪一个

was to do&was to have donethe results were to___yesterday,but we have heard nothingA.announce B.be announcing C.be announced D.have been announced正确答案选哪一个
was to do&was to have done
the results were to___yesterday,but we have heard nothing
A.announce B.be announcing C.be announced D.have been announced
正确答案选哪一个

was to do&was to have donethe results were to___yesterday,but we have heard nothingA.announce B.be announcing C.be announced D.have been announced正确答案选哪一个
C
to后面加动词原形
result被宣布,有个被动,要用be动词加过去分词
所以是be announced.

D
结果本来在昨天就应该揭晓的，但是我们什么都没听到

D