题目内容
— John, how did your English exam go?
— I thought I ____, but in fact I came in the top 10% in the class.
— I thought I ____, but in fact I came in the top 10% in the class.
[ ]
A. should have failed
B. couldn' t have failed
C. might have failed
D. mustn' t have failed
B. couldn' t have failed
C. might have failed
D. mustn' t have failed
C
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