问题
What did you say to your sister? I saw her crying in the room.— It _________ my fault. I just said hello to her when I met her, nothing else.
A:must have been
B:can’t have been
C:oughtn’t to be
D:should have been
B:can’t have been
C:oughtn’t to be
D:should have been
正确答案是：
同类题型
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