单项选择题

A．Distribution of goods and services.
B．Factories.
C．Today’’s homework.
D．Advertising.
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单项选择题
A．At an art gallery.B．In a department store.C．At a bookstore.D．In a workshop.
A．At an art gallery.
B．In a department store.
C．At a bookstore.
D．In a workshop.
单项选择题
A．The national department of education.B．School boards.C．Public schools in the United States.D．Local control of school.
A．The national department of education.
B．School boards.
C．Public schools in the United States.
D．Local control of school.
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