题目内容
--She was in class on Friday afternoon, but no one has seen her ever since.
--She ____an accident.
A. must have B. might have had C. could have had D. should have had
B
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题目内容
--She was in class on Friday afternoon, but no one has seen her ever since.
--She ____an accident.
A. must have B. might have had C. could have had D. should have had
B