单项选择题

A．$21.
B．$9.
C．$12.
D．$3.
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单项选择题
A．In a school.B．In a hospital.C．In a department store.D．In a hotel.
A．In a school.
B．In a hospital.
C．In a department store.
D．In a hotel.
单项选择题
A．He is watering the flowers.B．He is a worker.C．He does it well.D．He can do everythin
A．He is watering the flowers.
B．He is a worker.
C．He does it well.
D．He can do everythin
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