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There's _________800-metre-long road behind _________hospital.   

A. an, an            B. a, a             C. an, the            D. a, the

 There’s           800-metre-long road behind          hospital.

A. an, an             B. a, a                    C. an, the                D. a, the

There's _________800-metre-long road behind _________hospital.  

A．a(chǎn)n,an             B．a(chǎn), a              C．a(chǎn)n, the            D．a(chǎn), the