单项选择题

A．Friends.
B．Boss and Secretary.
C．Colleagues.
D．Clerk and customer.
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单项选择题
A．At home.B．In the hospital,C．At the airport.D．At a job interview.
A．At home.
B．In the hospital,
C．At the airport.
D．At a job interview.
填空题
Some programs are not included in the advertised price: _____________ or ____________.
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