问题
选择题
You______ her in her office last Friday; she's been out of town for two weeks.
A．needn't have seen
B．must have seen
C．might have seen
D．can't have seen
答案
答案：D
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You______ her in her office last Friday; she's been out of town for two weeks.
A．needn't have seen
B．must have seen
C．might have seen
D．can't have seen
答案：D