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The bridge is          the river.

A．on               B．over             C．in               D．under

The bridge is          the river.

--- How wide is the river?

   --- About ________ .

 A. 100-metres-wide     B. 100 meters wide   C. 100-metre-wide     D. 100 meter wide

Vienna,the capital of Austria,is   the River Danube and The Blue Danube is      Strauss.

A. on; for              B.in; by                C.on;by        D.by;on

Vienna,the capital of Austria,is  the River Danube and The Blue Danube is      auss.

A．on; for           B．in; by             C．on;by            D．by;on