单项选择题

A．7 hours.
B．14 hours.
C．10 hours.
D．8 hours.
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单项选择题
A．Doctor and husband.B．Shop-assistant and customer.C．Host and guest.D．Teacher and student.
A．Doctor and husband.
B．Shop-assistant and customer.
C．Host and guest.
D．Teacher and student.
单项选择题
A．I don’t like teaching.B．I will do it.C．I’m a doctor.D．I’m fine.
A．I don’t like teaching.
B．I will do it.
C．I’m a doctor.
D．I’m fine.
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