-–She looks very happy. She have passed the exam.--I guess so. It’s not difficult after a

发布时间：2020-08-16 14:19:08

-–She looks very happy. She     have passed the exam.  
--I guess so. It’s not difficult after all.
A. should
B. must
C. could
D. might

网友回答

A. should
(答案→)B. must
C. could
D. might
解析：她看起来很开心，所以她通过考试的可能性为最大，must表示一定的含义，可能性为最大，后半句的含义为他一定通过了考试，故本题选B。
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