—She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all. 
#90482
A
should
B
could
C
must
D
might
推荐题目
(2013·山西高三诊断)Honey, you ________ alcohol for they have stopped drinking.
#86569
A
may not have bought
B
mustn't have bought
C
can't have bought
D
needn't have bought
Without your help, I ____the exam last term. 
#89943
A
failed in
B
would have failed
C
wouldn’t pass
D
would fail