单项选择题

A．Every day of the week.
B．Once every two weeks.
C．Once a week.
D．Twice a week.
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单项选择题
A．Far away from the city.B．In a small town.C．Near the city.D．In the city center.
A．Far away from the city.
B．In a small town.
C．Near the city.
D．In the city center.
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