—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
Our monitor requested that ________.
#87441
A
all the class studied more carefully the problem
B
the problem was more carefully studied
C
with great care the problem could be studied
D
all the class study the problem more carefully