单选题
—She was in class on Friday afternoon, but no one has seen her since.—She ______ an accident.
A、
might have
B、
might have had
C、
may have
D、
ought to have had
【正确答案】
B
【答案解析】
might have done表示对过去的一种可能性推测。句意为：“她星期五下午在班里但从那以后就没人看见她。”“她可能发生什么意外的事了。”
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