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外语
It was the first time that Mary was late. She ______ up in the traffic.
It was the first time that Mary was late. She ______ up in the traffic.
admin
2008-11-13
73
问题
It was the first time that Mary was late. She ______ up in the traffic.
选项
A、could be held
B、can have been held
C、might have been held
D、might be held
答案
C
解析
表示对过去发生事情的猜测,用must have done或might have done。前者把握性更大些。
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成人本科学位英语
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