We ____ last night, but we went to the concert instead.
A must have studied B might study
C should have studied D would study
We ____ last night, but we went to the concert instead.
A must have studied B might study
C should have studied D would study
D
"They would have bought that house"给我们的信息"在那时"。 D项为陈述语气,陈述当时没有钱这一事实。C应该表达成与过去事实相反的虚拟句If they had had enough money.