单项选择题

A．He should have made an appointment.
B．He should have called to cancel his appointment.
C．He should have come for his appointment.
D．He should have stayed at home until he was well.
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单项选择题
A．At a hotel.B．At a post office.C．At a Museum.D．At a band.
A．At a hotel.
B．At a post office.
C．At a Museum.
D．At a band.
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