单项选择题

A．Property owned by a group of people.
B．Privately-owned property.
C．Government-owned property.
D．People’’s joint effort to share and protect natural resources.
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单项选择题
A．She is spending the weekends.B．She sells bikes for her dad.C．She is looking for a bike.D．She is doing some exercise with a bike.
A．She is spending the weekends.
B．She sells bikes for her dad.
C．She is looking for a bike.
D．She is doing some exercise with a bike.
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