问题
选择题
I should not have laughed if I ______ you were serious.
A.thought
B.would think
C.had thought
D.have thought
答案
答案:C
句意:如果我知道你是严肃的话我就不笑了。本句意思是当时不知道所以笑了,表示与过去事实相反,用“had thought”表示对过去情况的虚拟 。
【考点定位】考查虚拟语气。