单项选择题

What decides whether the delivery is free or not ？（）

A．The discount.
B．The weight.
C．The quantity.
D．The distance.

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单项选择题

A．The design.
B．The price.
C．The color.
D．The size.

单项选择题

A．To the Science Museum.
B．To the History Museum.
C．To the Art Museum.
D．To the Space Museum.

单项选择题

A．Black.
B．Brown.
C．White.
D．Gray.