单项选择题

A．Twice a week.
B．Several times.
C．In a week.
D．By a tax
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单项选择题
A．She is a shop assistant.B．She is a teacher.C．She is a nurse.D．She is a librarian.
A．She is a shop assistant.
B．She is a teacher.
C．She is a nurse.
D．She is a librarian.
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