-She looks very happy .She___have passed the exam.-Iguess so.It's_英语解答

-She looks very happy .She___have passed the exam.
-Iguess so.It's not difficult after all
A.should
B.could
C.must
D.might
要解释为什么...

人气：437 ℃　时间：2019-09-06 21:32:59

解答

c must have done 对过去事实最有把握的肯定推测
句中有提示"她看上去很开心"和"考试根本不难"说明说话者对这一事实的肯定态度.